TY - BOOK AU - Lipschutz,Martin M. AU - Lipschutz,Seymour TI - Schaum's outline of theory and problems of data processing T2 - Schaum's outline series SN - 0070379831 U1 - 004 PY - 1981///]. CY - New York: PB - McGraw-Hill, KW - Electronic data processing KW - Problems, exercises, etc N1 - Includes index ER -