TY  - BOOK
AU  - Davies, L.H.L.
AU  - Habakkuk, E.G.H.
TI  - Commercial mathematics: L.H.L. Davies, E.G.H. Habakkuk
U1  - 513.93 
PY  - 1937///
CY  - London
PB  - Sir Isaac Pitman
KW  - Business mathematics
ER  -