TY  - BOOK
AU  - NULL
TI  - Mathematics : principles and process 
SN  - 978 0 17 602614 1
U1  - 510 76 PRI NO 4 
PY  - 0000///  Nelson Canada
CY  - Ontario
PB  -  Canada 
KW  - MATHEMATICS STUDY AND TEACHING UPPER
ER  -