TY  - BOOK
AU  - B S I
AU  - 
TI  - UDC 621.1 Heat engines in general
 steam power steam engines UDC 621.22 water power hydraulic energy BS 1000 (621.1/22) 1979
U1  - 025.43 UDC/BSI/16 
PY  - 1979///
CY  - London
PB  - B S I
ER  -