TY - BOOK T1 - Propulsion without wheels DA - [1968, c1966] CY - New York, AU - Laithwaite, E. R. CN - TK2785 CN - TK2785 PB - Hart Pub. Co. PP - New York, PY - [1968, c1966] ID - 95434 KW - Electric motors, Induction. KW - Electric propulsion. TI - Propulsion without wheels ER -