000			00315nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_a621
082			_b8 BAC
100			_a"Bacon, D H"
245		0	_aMechanical Technology
260			_aLondon
260			_bButterworths Pub.
260			_c1977
300			_a410
999			_c24939 _d24939