00370nam a2200121Ia 4500008004100000040001600041041001200057082001700069100002300086245006800109260006000177300001100237230917s9999||||xx |||||||||||||| ||und||  e69093aMAIN  aEnglish  a301.24 G338S  aGeyer, R Felix. ed 0aSociocybernetics: an actor-oriented social systems approach, 2v  aLeiodonbMartinus Mijhaff Social Science Divisionc1978  a154 p.