TY  - BOOK
AU  - Helbing ,Wolfgang
AU  - Burkart ,Adolf
TI  - Chemical tables for laboratory and Industry : matter,number,process
U1  - 540 
PY  - 1979///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Applied chemistry
KW  - Matter - chemical aspects
N1  - Includes index
ER  -