000 00271nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aKamshilov (M.M)
245 0 _aEvolution of the biosphere
260 _bMir Pule
260 _c1976
365 _b7.25
942 _cBK
999 _c209169
_d209169