TY  - BOOK
AU  - Chang Raymond 
TI  - General chemistry:  the essential concepts/ 
SN  - 9.7800733756e+012
AV  - QD 33.2 .C48 2011  
PY  - 2011///.
CY  - New York
PB  - MCGraw Hill
KW  - Chemistry
N1  - includes index
ER  -