TY  - BOOK
AU  - O'Leary,Timothy J.
AU  - O'Leary,Linda I.
AU  - Williams,Brian K.
TI  - Microcomputing disk operating system with introduction to the labs
SN  - 0070488053
U1  - QA/76.76.O63 
PY  - 1991///
CY  - Watsonville, California
PB  - Mitchell Publishing
N1  - Notes Registration no. 24356
ER  -