TY  - BOOK
AU  - Castle,Frank
TI  - Workshop mathematics
AV  - QA39.C37 1948 
U1  - 510 19
PY  - 1948///-1949
CY  - London
PB  - Macmillan
KW  - Mathematics
KW  - fast
N1  - Cover title: Practical mathematics; Includes index
ER  -