TY  - BOOK
AU  - Hallgren,Richard C.
TI  - Interface projects for the TRS-80
SN  - 0134694295
AV  - TK9969 .H254 1982
U1  - 621.3819592 
PY  - 1982///
CY  - New Jersey
PB  - Prentice-Hall, Inc.
KW  - Computer interfaces
KW  - Amateurs manuals
N1  - Includes index
ER  -