TY  - BOOK
AU  - Duffy,Tim
TI  - Instructor's manual to accompany four software tools plus: applications and consepts 
SN  - 0534101674
PY  - 1989///
CY  - Belmont, Calif.
PB  - Wadsworth Publishing Company
KW  - Computer science
KW  - Microcomputers--Programming
KW  - Computer programs
ER  -