TY - BOOK AU - Wankel, F. TI - Rotary piston machines: classification of design principles for engines , pumps and compressors AV - TJ774 .W36 PY - 1965/// CY - Iliffe Books Ltd. PB - London KW - 1. Pistons 2. Reciprocating pumps 3. Machinery kinematics KW - "Y" N1 - "N" ER -