TY  - BOOK
AU  - Bhatnagar, Rajendra Prasad
TI  - PRARAMBHIK RASAYAN KA ITIHAS
U1  - 540.9 
PY  - 1972///
CY  - Bhopal
PB  - Madhya Pradesh Hindi Granth Akademi
KW  - Chemistry -- History
ER  -