Columbia subject headings:
Harvard subject headings:
Engineering--Congresses--Indexes--Periodicals.
Engineering--Periodicals--Indexes
Science--Congresses--Indexes--Periodicals.
Science--Indexes--Periodicals.
Princeton subject headings:
Engineering--Congresses--Indexes--Periodicals.
Engineering--Periodicals--Indexes.
Indexes.
Periodicals.
Science--Congresses--Indexes--Periodicals.
Science--Indexes--Periodicals.