00310nam a2200109Ia 4500008004100000040002500041082001400066100002000080245005100100260003800151300001100189230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a957.5 L53  aLeighton, Ralph 0aTuva or bust! : Richard Feynman's last journey  bW.w. Norton & Company, Inc.c1991  a254 p.