000			00269nam a2200109 4500
245			_aApproach to cybernatics _cGordon Pask
100			_aPask, Gordon
250			_a2nd ed.
260			_aLondon _bHutchinson _c1968
300			_a128p.:ill.,fig.; 19cm.
082			_a001.53 _bPAS
999			_c82668 _d82668