TY  - BOOK
AU  - Xiang,Zhigang
TI  - Computer graphics : principles. methods and applications 
T2  - Revised edition
SN  - 0070601658 (paperback)
PY  - 1986///
CY  - New Delhi
PB  - Higher Education Press
UR  - http://www.amazon.com/exec/obidos/ASIN/0070601658/chopaconline-20
ER  -