TY  - BOOK
AU  - Graham, Duncan 
AU  - Whitcombe,  Allan 
AU  - Graham,  Christine 
TI  - A-level mathematics : course companion
T2  - Letts Educational study aids
SN  - 9781857580259
U1  - 510.76 
PY  - 1991///
CY  - London : 
PB  - BPP (Letts Educational), 
N1  - Includes Index
ER  -