TY  - BOOK
AU  - Schofield,C.W.
AU  - Smethurst,D.
TI  - Mathematics For Level-2 Technicians / 
SN  - 0713133856
U1  - 510.246 19
PY  - 1979///
CY  - London
PB  - Edward Arnold
KW  - Shop mathematics
N1  - Includes bibliographical references and  indexs ( p. 264 - 266 )
ER  -