TY  - BOOK
AU  - Houk,Clifford C.
AU  - Post,Richard
TI  - Chemistry: concepts and problems
T2  - Wiley self-teaching guides
SN  - 0471415006
AV  - QD31.2 .H66
U1  - 540/.7/7 
PY  - 1977///
CY  - New York
PB  - Wiley
KW  - Chemistry
KW  - Programmed instruction
KW  - Local
N1  - Bibliography: p. xi
ER  -