000			00314nam a22001337a 4500
008			190304b xxu||||| |||| 00| 0 eng d
020			_a0130035823
041			_aeng
080			_a910
100			_a42
101			_aGJEO
245			_aActivities and Demonstrations for Earth Science _cBoyer,R.E
942			_2udc _cBK
999			_c54417 _d54417