00455nam a22001697a 450000500170000000800410001702000180005804100080007608200170008410000200010124500480012126000590016930000130022870000200024194200070026199900170026820260521102303.0260521b        |||||||| |||| 00| 0 eng d  a81-85336-10-5  aeng  a029.7bZOR/I  aZorkoczy, Peter  aInformatiopn Technologyc/by Peter Zorkoczy  aNew Delhi:bAffiliated East-West Press Pvt Ltd;c1985.  axi,163p.  aZorkoczy, Peter  cBK  c47198d47198