TY  - BOOK
AU  - DAS, S.K.
TI  -                                                      /0                                                                                                                                                                                                                                                                                                      LANGUAGE OF CHEMISTRY           
U1  - 540 DAS 
PY  - 1992///
CY  - NEW DELHI
PB  - S.CHAND & COMPANY.
ER  -