00290nam a2200109Ia 4500008004100000040003800041100001500079245001900094260004100113300001100154653001500165211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aBlofeld, J 0aBook of change  bGeorge Allan and UnwinaLondonc1965  a228 p.  aPhilosophy