TY  - BOOK
AU  - Beck, Lelnd L
TI  - System software , an introduction to systems programming
SN  - 0-201-50945-8
U1  - 005.42 BEC'S 
PY  - 1990///
CY  - NEWYORK
PB  - ADDISON WESLEY
KW  - SYSTEMS PROGRAMMING (COMPUTER SCIENCE)
ER  -