TY  - BOOK
AU  - Capps,Lelon R.
ED  - Houghton Mifflin and Company
TI  - Houghton mifflin mathematics: teacher΄s edition level 6 
SN  - 0395462266
U1  - 372.7 23
PY  - 1989///.
CY  - Boston: 
PB  - Houghton Mifflin, 
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - Includes bibliography p. 434 and index
ER  -