00321nam a2200121Ia 4500008004100000040001600041041001200057082001400069100002200083245004200105260004100147300001100188230917s9999||||xx |||||||||||||| ||und||  e49738aMAIN  aEnglish  a192 R911H  aRussell, Bertrand 0aHuman knowledge: Its scope and limits  aLondonbGeorge Allen and Unwinc1961  a538 p.