TY  - BOOK
AU  - Mathew, K. M.
TI  - Manorama year book 1990
SN  - 0542-5778
PY  - 1990///
CY  - Kottayam
PB  - Malayala Manorama
KW  - Astronomy and Astrophysics Thesaurus
KW  - Year book
ER  -