000 00305nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aNature
_bInternational Journal Of Science
260 _bMacmillan Journal Limited
_aLondon
300 _aP.1-671
300 _bV.224
942 _cJRBV
999 _c29277
_d29277