000			00367nam a2200157Ia 4500
008			180710s9999 xx 000 0 und d
020			_a248731
082			_a500 _bCAL
100			_aCalder, Ritchie
245			_aScience in our lives
250			_arev.ed.
260			_aNew York _bNew American Library _c1962
300			_a192 p.
650			_aScience
942			_cS
999			_c77910 _d77910