000			00347nam a2200169Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
100			_aHughes E.C.
245		0	_aEngineering science
260			_aNULL
260			_bElbs
260			_c1987
300			_a355p.
365			_b109.34
650			_aMECHANICAL
942			_cDBK
999			_c21451 _d21451