000 00292nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aNature
260 _cNovember 5, 1971
_bMacmillan Journals Limited
_aLondon
300 _aP. 1-570
300 _bV. 234
942 _cJRBV
999 _c12931
_d12931