TY  - BOOK
AU  - Louis Toft
AU  -  A. D. D McKay, 
TI  - Practical mathematics. Vol 1, Ed 3 
U1  - 510 
CY  - London
PB  - Issac Pitman and Sons Limited
N1  - Louis Toft & A. D. D McKay: Practical mathematics. Vol 1, Ed 3.  (3rd Edition.)  London.  Issac Pitman and Sons Limited,--(510TOF)
ER  -