000 00306nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aNatuer
_ba weekly journal of science
260 _cMay 14, 1966
_bMacmillan (Journal) LTD.
300 _aP.1-1402
300 _bV.210
942 _cJRBV
999 _c21131
_d21131