TY  - BOOK
ED  - National Astronomy & Ionosphere Center
TI  -  Users manual for the Arecibo  Observatory :Arecibo, Puerto Rico  
U1  - 520.1(035) N. A. I. 
PY  - 1976///
PB  - National Astronomy & Ionosphere Center
KW  -  Arecibo Observatory
ER  -