pubman.mpdl.mpg.depubman.mpdl.mpg.de/pubman/item/escidoc:2133031/... · to the paradox of Mach s...
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pubman.mpdl.mpg.depubman.mpdl.mpg.de/pubman/item/escidoc:2133031/... · to the paradox of Mach s "Wave Machine . In an effort to avoid the mechanical difficulties associated ... the