000			00326nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a901994057
082			_a671
082			_bEZR
100			_aEzra A.A.
245		0	_aPrinciples and Practice
260			_aLondon
260			_bI.N.L
260			_c1973
300			_a267
999			_c24905 _d24905