TY  - GEN
TI  - Unix system V : : release 4 : user's reference manual 
SN  - 971-8636-97-8
U1  - 005.43 U5899 1990 
PY  - 1985///
CY  - New Jersey : 
PB  - Printice-Hall, Inc.
KW  - UNIX (Computer operating system)
KW  - Operating systems (Computers)
N1  - 000-099
ER  -