000			00371nam a2200133Ia 4500
008			250621s9999||||xx |||||||||||||| ||und||
082			_223 _a901.92 WHI
100			_aLynn White, Jr.
245		0	_aMedieval Technology and Social Change
260			_bOxford University Press _c1964
300			_ax, 194p.
650			_aHistory & geographyPhilosophy & theory
942			_cBDC
999			_c63775 _d63775