TY  - BOOK
AU  -  Duffy, tim. 
TI  -  Four software tools plus applications and concepts / Tim Duffy. 
SN  - 053410164X
U1  - 004.16 DUF 
CY  -  Belmont, calif. : wadsworth pub. Co., c1989. 
KW  -  MicrocomputeRed Sport -- Programming.               Application software.
ER  -