TY  - BOOK
AU  - A T J KERSEY
TI  - RIPPERS HEAT ENGINES
U1  - GN621.4025R484R 
PY  - 1952///
CY  - NEW YORK
PB  - LONGMANS, GREEN AND CO.
KW  - RIPPERS HEAT ENGINES
N1  - MODERN BOOK HOUSE
ER  -