TY  - BOOK
AU  - Devorkin, D. H.
TI  - Practical astronomy: lectures on time, place and space
SN  - 0-87474-359-1
PY  - 1986///
CY  - Washington
PB  - National Air and Space Museum
KW  - Astronomy
KW  - Astronomy and Astrophysics Thesaurus
ER  -