TY  - BOOK
AU  - McCALL, Robert .B
AU  - HAVEMANN, Ernest 
TI  - Study guide with  programed  unit
SN  - 0155726110
U1  - 150.1 
PY  - 1968///
CY  - New york
PB  - Harcourt Brace Jovanovich,inc
ER  -