TY - BOOK AU - Walker,Billy K. TI - A structured approach to Pascal T2 - Irwin series in information and decision sciences SN - 0256028273 U1 - 001.642 21 PY - 1983/// CY - Homewood, Ill. PB - R.D. Irwin KW - Pascal (Computer program language) KW - Structured programming N1 - Includes index ER -