TY  - BOOK
AU  - De Wet, Brenda
AU  - Duffield, Donovan
TI  - Introductory engineering science
SN  - 9781868535811
AV  - TA145 DEW
PY  - 1999///
CY  - Sandton
PB  - Heinman
N1  - includes bibliographical references and index
ER  -