000			00365nam a2200121 4500
245			_aAbstracts of presented papers
260			_aOhio _bERIC Information Analysis Center for Science Mathematics & Environmental Education _c[19 -?]
300			_av.; 22cm.
500			_aannual
082			_a507.016 _bABS
650			_aScience-study and teaching-abstract
041			_aeng
999			_c48183 _d48183