TY  - BOOK
AU  - Sawyer,Walter Warwick
TI  - A path to modern mathematics
T2  - Introudctory Mathematics; 4
AV  - MATH QA11.S14 
PY  - 1966///
CY  - Harmondsworth
PB  - Penguin Books
KW  - Mathematics
KW  - Study and teaching
ER  -