000 00326nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a574.6:529.7 L1
100 _aNational Academy of Sciences
245 _aSymposium on Biochenometry
260 _a1971
_bNational Academy of Science
_cU.S.A.
300 _a662
942 _cBK
999 _c57914
_d57914