00273nam a22001097a 4500003000500000038001300005082001600018100003000034245004600064260004400110300000900154NUST  aM.Ramzan  a624.15bINC  aROC science incorporation  aexamination 3d users manual version 4.0 /  aUSA:bROC science incorporation,c2002.  c26cm