000			00402nam a2200145 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a607 _bHID
245			_aHidden Factors in technological Change
260			_aLondon: _bPergamon press, _c1976.
300			_aXII, 252p.; _c21cm
650		0	_a Education, Research, Related Topics
700			_aArmytage, Harry _eEd.
942			_2ddc _cLM
999			_c103649 _d103649