000 00354nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aKaempffert, W
245 0 _aExplorations in science
260 _bVICTOR GOLLANCZ LTD
_aLONDON
_c1953
300 _aVIII, 290p p.
653 _aNATURAL SCI
942 _c1
999 _c34537
_d34537