000 00266nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aNature
260 _cNovember-December, 1953
300 _aP. 823-1200
300 _bV. 172
942 _cJRBV
999 _c12985
_d12985