TY  - BOOK
AU  - Humphrey, Karalyn 
AU  - Averill 
TI  - Chemistry: principles, patterns, and applications  
SN  - 0805338144
AV  - QD31.3 .H867 2007 
PY  - 2007///
CY  - St, SanFrancisco
PB  - Pearson Education
KW  - Chemistry
ER  -