TY  - BOOK
AU  - Chang,Raymond
TI  - Essential chemistry
SN  - 007011207X (acidfree paper)
SN  - 978007011
U1  - 540 CHA 
PY  - 1996///
CY  - New York
PB  - McGraw-Hill
KW  - Chemistry
N1  - Includes index
ER  -