000			00312nam a2200133Ia 4500
999			_c78101 _d78101
005			20220819115550.0
008			180710s9999 xx 000 0 und d
041			_aEN
082			_a338.95489 _bECO _223
245			_aSelected fields of development /
260			_aCplpmbo _c1952
300			_a448 p.
942			_cPR