TY  - BOOK
AU  - Mottershead,Lorraine
TI  - Sources of mathematical discovery
SN  - 0631102213
AV  - QA 43  .M6
PY  - 1978///, c1977
CY  - Oxford
PB  - Basil Blackwell
KW  - Mathematics
KW  - Problems, exercises, etc
N1  - Includes index
ER  -