TY  - BOOK
AU  - Chang, Raymond
AU  - Chang, Raymond
TI  - General chemistry :  the essential concepts / Raymond Chang, Jason Overby.    
SN  - 9780077136505
AV  - QD33.2 .C48 2011 
U1  - QD33.2 .C48 2011 
PY  - 2011///
PB  - New York : McGraw-Hill
ER  -