TY  - GEN
AU  - Duncan, Ernest R.
AU  - Sparks, Thelma
AU  - Cole, William L.
AU  - Scrivens, Robert W.
TI  - Modern school mathematics: stucture and use
SN  - 0395133645
U1  - 510 
PY  - 1972///
CY  - New York
PB  - Houghton Mifflin
KW  - Mathematics
ER  -