TY  - BOOK
AU  - Spangenbug, Ray; Moder, Dinae K
TI  - History of science from 1946-1990
SN  - 9788173711961
U1  - 509  SPA-H 
PY  - 1999///
CY  - Universities Preess, New Delhi
KW  - Pure sciences - Historical & geographical treatment
ER  -