TY  - BOOK
AU  - Helvey, T. C
TI  - Moon base: technical and psychological aspects
PY  - 1960///
CY  - New York
PB  - John F Rider Publishers
KW  - Astronomy and Astrophysics Thesaurus
KW  - Moon
KW  - Morphology-Moon
KW  - Surfaces(Celestial)
ER  -