TY  - BOOK
AU  - Cook A H
TI  - Celestial masers
T2  - Cambridge Monographs on Physics
U1  - B9:51, L7 
PY  - 1977///
CY  - Cambridge
PB  - University Press        
KW  - Astrophysics
N1  - Appenidx 118-123p
ER  -