TY - BOOK AU - William robinson TI - Heavy-oil engines of Akroyd type: Being developments of compression-ignition oil engines, including modern applications to land purposes, marine and airship U1 - 621.436 PY - 1931/// CY - London, Glasgow PB - Blackie & son limited KW - MCE N1 - 0; 0; 0; 621_436000000000000_ROB ER -