TY - BOOK AU - Hummel Thomas J. AU - Zundahl Steven TI - Study guide to accompany Chemical principles by Steven S. Zumdahl 4th ed. SN - 0618120815 AV - QD42 .H866 2002 U1 - 540/.76 19 PY - 2002/// CY - New York PB - Houghton Mifflin Company KW - Chemistry KW - Problems, exercises, etc ER -