00609nam a2200169 a 4500 20190520021811.0 090324s19uu xx 00 eng d Rucker, Walter E. Heath mathematics / Walter E. Rucker, Clyde A. Dilley, David W. Lowry. Lexington, MA : Heath, c1987. 1 v. (various pagings) : col. Level 4 Mathematics Study and teaching (Elementary) Dilley, Clyde E. Lowry, David W. OLOPSC 36405 36405 0 0 0 0 CLLRC CLLRC CIR 2019-05-20 0 QA 135.5 R82 1987 CL8779 2023-07-10 00:00:00 2019-05-20 BK