TY  - BOOK
AU  - Horrobin,Peter J.
TI  - Constructional mathematics : : volume 1 (S.I. units) / 
T2  - Library of industrial and commercial education and training. Construction division
SN  - 0080068901
U1  - 510 23
PY  - 1970///
CY  - Oxford : 
PB  - Pergamon Press, 
KW  - Mathematics
ER  -