00320nam a22001097a 4500020002000000082001200020100002200032245006600054260005300120300002300173650001400196  a978-8053-3814-4  a540 HUM  aHUMPHREY, Karalyn  aStudy Guide Chemistry: principles, patterns, and applications  aSan Fransisco:bPearson Education, Inc.,cc 2007  aiii, 168p.:b28 cm  aChemisrty