TY  - BOOK
AU  - National Council of Teachers of Mathematics Reston Va
TI  - Mathematics Teacher. Vol 68 No 3-4(1975)
U1  - 510.05 
PY  - 1975///
CY  - Reston Va
PB  - National Council of Teachers of Mathematics Reston Va
N1  - National Council of Teachers of Mathematics Reston Va: Mathematics Teacher. Vol 68 No 3-4(1975).  Reston Va.  National Council of Teachers of Mathematics Reston Va, 1975.--(510.05NAT)
ER  -