000 00274nam a22000977a 4500
008 231013b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aNature
260 _aLondon:
_bMacmillan and Co. Ltd.,
942 _2udc
_cCR
999 _c62745
_d62745