TY  - BOOK
AU  - Bird,J.O.
AU  - May,A.J.C.
TI  - Mathematics 4 checkbook
T2  - Butterworths technical and scientific checkbooks
SN  - 0408006129
PY  - 1981///
CY  - London : 
PB  - Butterworths, 
KW  - Shop mathematics
KW  - Mathematics
KW  - For technicians
N1  - Includes index
ER  -