Columbia subject headings:
Harvard subject headings:
Astronautics in earth sciences--Abstracts--Periodicals.
Cartography--Abstracts--Periodicals.
Remote sensing--Abstracts--Periodicals.
Princeton subject headings:
Astronautics in earth sciences--Abstracts--Periodicals.
Cartography--Abstracts--Periodicals.
Remote sensing--Abstracts--Periodicals.