00473nam a2200157Ia 4500020001800000082001700018100002800035245006600063260004700129300001600176504001900192650003900211650002100250650001900271650002500290  a0 7139 0192 6  a003.01 BER-;  aBertalanffy, Ludwig Von 0aGeneral system theory: foundations, development, applications  aLondonbAllen Lane The Penguin Pressc1968  axxii, 311p.  aIncludes index  aSystem theory - Study and teaching  aSocial structure  aSocial systems  aScience - Philosophy