000 00264nam a2200109Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
020 _a0-335-02036-4
100 _aAnon
_915480
245 _aEarth history: I
250 _b1975. 31
260 _bOpen university. Keynes
999 _c15352
_d15352