TY  - BOOK
AU  - Devault,M.Vere
TI  - Mathematics : : SRA mathematics learning system text / 
SN  - 0574430563
U1  - 510 DEV 
PY  - 1974///
CY  - Chicago : 
PB  - Science Research Association, 
KW  - Mathematics
KW  - Study and teaching
N1  -  Includes index
ER  -