AU  - Goldsbrough, Paul F. 
AU  - Peter R. Rony
TI  - Microcomputer interfacing : With the 8255 PPI chip
SN  - 0672216140
U1  - 621.3819535 GOL 
PY  - 1980///
CY  - U.S.A.
PB  - Sams & Co. Inc.
KW  - Applied physics
N1  - Includes appendix. (207-212 p.); Includes Index (213-217 p.)
ER  -