000 00310nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _aBR 530CON
100 _aBernstein,Leonard.
245 0 _aConcepts And Challenges In Earth Sceince.
260 _aNew Jersey
_b Cebco Standard Publishing
_c1979
942 _cABR
999 _c330025
_d330025