000			00318nam a2200133Ia 4500
001			20166
008			170722s9999 xx 000 0 und d
100			_aLeach, H. W.
245			_aElementary problems in engineering, eng /
260			_c1957.
653			_aEngineering
700			_aBeakley, George C.
942			_cGEN
999			_c62221 _d62221