TY  - BOOK
AU  - Larson, Ron,
AU  - Edwards, Bruce H.,;Heyd, David E.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 669168017
SN  - 2
PY  - 1991///];copyright 199146
CY  - Lexington, MA
PB  - D.C. Heath
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Mathematics
N1  - Includes indexes; 5
ER  -