TY  - GEN
AU  - Lal, Madan
AU  - Chand, Purshotam
AU  - Chana, M S
TI  - Encyclopaedic Dictionary of Computer Science. Vol 4 (R-Z)
SN  - 8170411181
U1  - 004.03 
PY  - 1989///
CY  - New Delhi
PB  - Anmol Publications
ER  -