TY  - BOOK
AU  - Watt,George W.
TI  - The science of chemistry
U1  - 540 WAT.H  
PY  - 1949///.
CY  - New York : 
PB  - Mc Graw-Hill Book Company Inc., 
KW  - Chemistry-History
KW  - Matter
N1  - Includes index.
ER  -