TY  - BOOK
AU  - Harshbarger, Ronald J.,
AU  - Reynolds, James J.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 669162639
SN  - 2
PY  - 1989///];copyright 1989.46
CY  - Lexington, Mass.
PB  - D.C. Heath
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Mathematics
N1  - Includes indexes; 5
ER  -