TY  - BOOK
ED  - National Academy of Sciences,
TI  - Ground-based astronomy: a ten-year program 
AV  - QB61 .G768 1964
U1  - 520.72073 23
PY  - 1964///
CY  - Washington, District of Columbia
PB  - National Academies Press
KW  - Astronomy
KW  - Research
KW  - United States
KW  - Electronic books
UR  - https://ebookcentral.proquest.com/lib/bacm-ebooks/detail.action?docID=4719228
ER  -