000			00309nam a22001337a 4500
003			OSt
005			20131204100738.0
008			121212b xxu||||| |||| 00| 0 eng d
082			_a500
245			_aEducation in Science :
300			_a30 p. _bill. _c22 cm.
650			_aEducation in Science.
942			_2ddc _cBK
999			_c3441 _d3441