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• 008 870817s1950 nyua b 101 0 eng d

• 020 __ |c CNY6.00

• 040 __ |a UMC |c UMC |d UBA |d OCL |d CIN

• 090 __ |a 621.34/F685

• 111 2_ |a Conference on Cybernetics |n (6th : |d 1949 : |c New York, N.Y.)

• 245 10 |a Cybernetics circular causal and feedback mechanisms in biological and social systems : |b transactions of the Sixth Conference, March 24-25, 1949, New York, N.Y. / |c edited by Heinz Von Foerster.

• 260 __ |a New York : |b Josiah Macy, Jr. Foundation, |c 1950.

• 300 __ |a 209 p. : |b ill. ; |c 23 cm.

• 504 __ |a Includes bibliographical references and index.

• 650 _0 |a Cybernetics |v Congresses.

• 650 _0 |a Speech |v Congresses.

• 700 1_ |a Von Foerster, Heinz, |d 1911-

• 901 __HSW200707642

• 905 __ |a CAU |f 621.34/F685

• 907 __ |a CAU |f 621.34/F68