TY  - BOOK
AU  - Sherrod,P.Clay
AU  - Koed,Thomas L.
TI  - A complete manual of amateur astronomy: tools and techniques for astronomical observations
T2  - A Spectrum book
U1  - 522 
PY  - 1981///
CY  - Englewood Cliffs, N.J
PB  - Prentice-Hall
KW  - Astronomy
KW  - Observers' manuals
ER  -