TY  - BOOK
AU  - Wren,F.Lynwood
TI  - Basic mathematical concepts
U1  - 510 
PY  - 1965///
CY  - New York
PB  - McGraw-Hill
KW  - Arithmetic
KW  - Foundations
KW  - Geometry
KW  - Mathematics
N1  - Includes bibliographical references and index
ER  -