TY  - BOOK
AU  - Milne,P.H.
TI  - Underwater engineering surveys / 
SN  - 041911310X 
U1  - 627.7 23
PY  - 1980///.
CY  - London : 
PB  - E. & F. N. Spon, 
KW  - Hydrographic surveying.
KW  - Underwater exploration.
ER  -