TY  - BOOK
AU  - Menon, R G V
TI  - History of science and technology
SN  - 9781560247210
U1  - 509 MEN-H4 22
PY  - 1991///
CY  - 
PB  - Bhagya Book House, Trivandrum
KW  - Pure sciences - Historical & geographical treatment
ER  -