TY - BOOK AU - Martin,Sherry J. AU - Jenkins,Edith G. TI - Using Alpha Four SN - 0880228903 PY - 1992/// CY - Carmel Ind. PB - Que Corporation KW - Alpha Four (Computer file) KW - Data base management N1 - 'Covers through version 2.0'--Spine; Includes index ER -