TY  - BOOK
AU  - Kernighan, Brian W.  
AU  - Pike, Rob 
TI  - UNIX programming environment
T2  - Prentice-Hall Software Series
SN  - 0-87692-499-2
PY  - 1989///
CY  - New Delhi
PB  - Prentice Hall
KW  - Unix
ER  -