TY - BOOK AU - Houk,Clifford C. AU - Post,Richard TI - Chemistry: concepts and problems : a self-teaching guide T2 - Wiley self-teaching guides SN - 0471121207 (alk. paper) AV - QD31.2 H68 1996 U1 - 540/.7/7 20 PY - 1996/// CY - New York PB - Wiley KW - Chemistry KW - Programmed instruction KW - Química KW - Instruccion programada N1 - Incluye índice UR - http://www.loc.gov/catdir/bios/wiley047/96151753.html UR - http://www.loc.gov/catdir/description/wiley033/96151753.html UR - http://www.loc.gov/catdir/toc/onix03/96151753.html ER -