000			00338nam a2200133Ia 4500
001			3534
008			150525s9999 xx 000 0 und d
020			_a0 85298 150 3
100			_aSkeat W
245			_aGeorge Stephenson The Engineer And His Letter
250			_a0
260			_aLondon _bThe Inst. Of Mech. Eng., _c1973
300			_a,;ill.
999			_c31737 _d31737