TY  - BOOK
AU  - Shields, S
AU  - Shields, S
TI  - Ship maintenance :  a quantitative approach / S. Shields, K. J. Sparshott, E. A. Cameron    
SN  - 900976519
AV  - VM149 .S473 1977 
U1  - VM149 .S473 1977 
PY  - 1977///
CY  - London.
PB  - London : Marine Media Management
ER  -