Timberlake, Karen C. Chemistry : an introduction to general, organic, and biological chemistry / Karen C. Timberlake - 6th ed - New York : HarperCollinsCollegePublishers, 2012. - 683p. : ill. ; 27 cm. Includes index ISBN: 0673990540 Subjects--Topical Terms: Chemistry LC Class. No.: QD31.2