000 00323nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a546.26:546.02
_bCAL
100 _aCalvin, Melvin
245 0 _aIsotopic carbon: Techniques in its measurement and chemical manipulation
260 _aLondon
_bJohn Wiley
_c1949
942 _cBK
999 _c20546
_d20546