TY  - BOOK
AU  - Hayfron-Benjamin, E.
TI  - Objective tests in technical drawing
SN  - 9964-980-60-4-6
AV  - T 353  .H3
PY  - 1982///
CY  - Elmina
PB  - Information for Africa
KW  - Technical Drawing
N1  - incl bib refs
ER  -