000 00323nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aIlyanovik
245 0 _aSociety and Nature
250 _a1st Ed
260 _aMoscow
260 _bProgree Publishers
260 _c1979
650 _aSociety and Nature
942 _cBK
999 _c5148
_d5148