TY  - BOOK
AU  - Shepardson, Richard D.
TI  - Invitation to mathematics: K: practice duplicating masters 
SN  - 0-673-23530-0
AV  - TR(GS 510 Se149 1987
PY  - 1987///
CY  - Glenvies, Illinois
PB  - Scott, Foresman and Company
KW  - Mathematics
ER  -