000			00308nam a2200133Ia 4500
008			130223s9999 xx 000 0 und d
245			_aDiscovery and growth
260			_aMaryland
260			_c1970
300			_a120 p.
440			_aA-159; Maryland University of
901			_pS28707
942			_cB _2udc
999			_c120030 _d120030