TY  - GEN
AU  - Beck,Leland L
TI  - System software : an introduction to systems programming 
SN  - 0-201-50945-8
U1  - 005.4 
PY  - 1990///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co
KW  - Systems programming (Computer science)
ER  -