TY  - BOOK
AU  - Houk,Clifford C.
AU  - Post,Richard
TI  - Chemistry: concepts & problems : a self teaching guide 
SN  - 0471121207
PY  - 1996///
CY  - New York
PB  - John Wiley & Sons, Inc
KW  - Chemistry
KW  - Study and teaching
KW  - Programmed instruction
ER  -