TY  - BOOK
AU  - Clarke A
AU  -  Eaton J M
AU  -  Lybbe D P
TI  - CP/M - the software bus: A programmers companion
U1  - D65,8(B)92, M3 
PY  - 1983///
CY  - Wilmslow
PB  - Sigma Press        
KW  - Engineering
ER  -