=LDR 00000nam a2200000 i 4500 =245 \$aMarine Diesel Engines =250 \$a5 =260 \$aLONDON : \$bNEWNES-BUTTERWORTHS,, \$c1984 =300 \$a =490 \$a =020 \$a =082 \$a623.872 36