Columbia subject headings:
Communication in science--United States.
Communication of technical information--United States.
Engineering--United States--Periodicals.
Science--United States--Periodicals.
Harvard subject headings:
Communication in science--United States.
Communication of technical information--United States.
Engineering--United States--Periodicals
Science--United States--Periodicals
Princeton subject headings:
Communication in science--United States.
Communication of technical information--United States.
Engineering--United States--Periodicals.
Periodicals.
Science--United States--Periodicals.