TY  - BOOK
AU  - Bag A K
TI  - Science and civilization in India :  Harappan period (c.3000 B.C.- C.1500 B.C.)
U1  - Y:10aA.2.B6, M5.1 
PY  - 1985///
CY  - Delhi
PB  - Navrang        
KW  - SOCIOLOGY
ER  -