000			00501nam a2200181 u 4500
001			001017564
005			20221213214327.0
008			140513s1968 ||||||||||||||||||||eng|c
041	0		_aeng
100	1		_aMansfield, Edwin
245	1	0	_aThe ecnomics of technological change / _cEd. Mansfield.
260			_aNew York : _bW.W. Norton & Company., Inc., _c1968.
300			_a257 p. ; _c23 cm.
500			_aIncludes index
650	1	4	_aEconomics
650	1	4	_aTechnological change
942			_2udc _cBK
999			_c907366 _d907366