000			00437nam a2200145Ia 4500
008			221122s9999 xx 000 0 und d
082			_a63 R64T
100			_aInternational Institute for Applied Systems Analysis
245		0	_aTechnological learning, technological substitution, and technological change
260			_bIIASA _aAustria _c1982
300			_a39-49 p.
650			_aTechnology
700			_aRobinson,Jennifer M.
942			_cBK
999			_c1188 _d1188