diff --git a/man/abstract_build.Rd b/man/abstract_build.Rd
new file mode 100644
index 0000000..4f9eccb
--- /dev/null
+++ b/man/abstract_build.Rd
@@ -0,0 +1,19 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/oa2df.R
+\name{abstract_build}
+\alias{abstract_build}
+\title{Build abstract from inverted index}
+\usage{
+abstract_build(ab, build = TRUE)
+}
+\arguments{
+\item{ab}{List. Inverted index of abstract.}
+
+\item{build}{Logical. If TRUE, build the abstract.}
+}
+\value{
+Character string. The abstract of the paper.
+}
+\description{
+Build abstract from inverted index
+}
diff --git a/man/authors2df.Rd b/man/authors2df.Rd
index de43e5a..4aeb5d0 100644
--- a/man/authors2df.Rd
+++ b/man/authors2df.Rd
@@ -38,17 +38,11 @@ The function converts a list of authors' records obtained using \code{oa_request
 # University of Naples Federico II is associated to the OpenAlex id I71267560.
 
 
-query_author <- oa_query(
-  identifier = NULL,
+res <- oa_fetch(
   entity = "authors",
   last_known_institutions.id = "I71267560",
-  works_count = ">500"
-)
-
-res <- oa_request(
-  query_url = query_author,
-  count_only = FALSE,
-  verbose = FALSE
+  works_count = ">700",
+  output = "list"
 )
 
 df <- oa2df(res, entity = "authors")
diff --git a/man/concepts2df.Rd b/man/concepts2df.Rd
index 7d4999e..81c2a57 100644
--- a/man/concepts2df.Rd
+++ b/man/concepts2df.Rd
@@ -35,15 +35,10 @@ The function converts a list of concepts' records obtained using \code{oa_reques
 # Query to search information about all Italian educational institutions
 
 
-query_inst <- oa_query(
+res <- oa_query(
   entity = "concepts",
-  display_name.search = "electrodynamics"
-)
-
-res <- oa_request(
-  query_url = query_inst,
-  count_only = FALSE,
-  verbose = FALSE
+  display_name.search = "electrodynamics",
+  output = "list"
 )
 
 df <- oa2df(res, entity = "concepts")
diff --git a/man/institutions2df.Rd b/man/institutions2df.Rd
index dde3696..280c7c7 100644
--- a/man/institutions2df.Rd
+++ b/man/institutions2df.Rd
@@ -34,16 +34,11 @@ The function converts a list of institutions' records obtained using \code{oa_re
 
 # Query to search information about all Italian educational institutions
 
-query_inst <- oa_query(
+res <- oa_fetch(
   entity = "institutions",
   country_code = "it",
-  type = "education"
-)
-
-res <- oa_request(
-  query_url = query_inst,
-  count_only = FALSE,
-  verbose = FALSE
+  type = "education",
+  output = "list"
 )
 
 oa2df(res, entity = "institutions")
diff --git a/man/oa2bibliometrix.Rd b/man/oa2bibliometrix.Rd
index ae1ba93..f591c07 100644
--- a/man/oa2bibliometrix.Rd
+++ b/man/oa2bibliometrix.Rd
@@ -17,6 +17,9 @@ It converts bibliographic collections gathered from OpenAlex database \href{http
 bibliometrix data frame (\href{https://bibliometrix.org/}{https://bibliometrix.org/})
 Column names follow https://images.webofknowledge.com/images/help/WOS/hs_wos_fieldtags.html.
 }
+\details{
+Use \code{\link{bibliometrix::convert2df()}} (bibliometrix R package) instead.
+}
 \examples{
 \dontrun{
 
@@ -31,13 +34,10 @@ Column names follow https://images.webofknowledge.com/images/help/WOS/hs_wos_fie
 #  Results have to be sorted by relevance score in a descending order.
 
 query <- oa_query(
-  identifier = NULL,
   entity = "works",
   cites = "W2755950973",
-  from_publication_date = "2021-01-01",
-  to_publication_date = "2021-12-31",
-  search = NULL,
-  endpoint = "https://api.openalex.org"
+  from_publication_date = "2021-10-01",
+  to_publication_date = "2021-12-31"
 )
 
 res <- oa_request(
diff --git a/man/process_affil.Rd b/man/process_affil.Rd
new file mode 100644
index 0000000..d08cd30
--- /dev/null
+++ b/man/process_affil.Rd
@@ -0,0 +1,19 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/oa2df.R
+\name{process_affil}
+\alias{process_affil}
+\title{Process affiliations}
+\usage{
+process_affil(l_institution)
+}
+\arguments{
+\item{l_institution}{List. Nested elements include
+id, display_name, ror, country_code, type, lineage}
+}
+\value{
+Dataframe of with the following columns:
+id, display_name, ror, country_code, type, lineage
+}
+\description{
+Process affiliations
+}
diff --git a/man/process_paper_authors.Rd b/man/process_paper_authors.Rd
new file mode 100644
index 0000000..77aa304
--- /dev/null
+++ b/man/process_paper_authors.Rd
@@ -0,0 +1,18 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/oa2df.R
+\name{process_paper_authors}
+\alias{process_paper_authors}
+\title{Process paper authorships}
+\usage{
+process_paper_authors(authorships)
+}
+\arguments{
+\item{authorships}{List. Authorships element of paper.}
+}
+\value{
+List. A list of one dataframe with the processed authors:
+id, display_name, orcid, author_position, is_corresponding, affiliations, affiliation_raw
+}
+\description{
+Process paper authorships
+}
diff --git a/man/topics2df.Rd b/man/topics2df.Rd
index 7694c03..7ad5580 100644
--- a/man/topics2df.Rd
+++ b/man/topics2df.Rd
@@ -35,15 +35,10 @@ The function converts a list of topics' records obtained using \code{oa_request}
 # Query to search information about all Italian educational institutions
 
 
-query_inst <- oa_query(
+res <- oa_query(
   entity = "topics",
-  display_name.search = "electrodynamics"
-)
-
-res <- oa_request(
-  query_url = query_inst,
-  count_only = FALSE,
-  verbose = FALSE
+  display_name.search = "electrodynamics",
+  output = "list"
 )
 
 df <- oa2df(res, entity = "topics")