TY  - BOOK
AU  - Sonnessa, Antony J
TI  - Thanmathra Spectroscopikku Oru Mukhavura
U1  - 522.67 
PY  - 1975///
CY  - Thiruvananthapuram
PB  - State Institute of Languages
KW  - General Stack
KW  - Astronomy
KW  - Techniques, equipment & materials
KW  - Generalia
ER  -