TY  - BOOK
AU  - Greenhill, Ralph.
CN  - TR702
CN  - TR702
CY  - Toronto :
CY  - Boston :
DA  - 1985.
ET  - 1st ed.
ID  - 272588
KW  - Photography in engineering
KW  - Civil engineering
KW  - Civil engineering
KW  - Mechanical engineering
KW  - Mechanical engineering
KW  - Public works
KW  - Public works
PB  - Coach House Press ;
PB  - Godine,
PP  - Toronto :
PP  - Boston :
PY  - 1985.
SN  - 0879235500
T1  - Engineer's witness /
TI  - Engineer's witness /
ER  -