00677nam0-22002531i-450-99000364012040332120060418111401.0000364012FED01000364012(Aleph)000364012FED0100036401220030910d1958----km-y0itay50------baengy-------001yyProgress and powerC. BeckerNew Yorks.n.1958Becker,Carl Lotus<1873-1945>210734ITUNINARICAUNIMARCBK990003640120403321SE 049.03.01-032482DECSEDECSEProgress and power504361UNINA