000 00391nam a2200145Ia 4500
008 230627s9999 xx 000 0 und d
040 _aNORSU-Sia
_cNORSU-Sia
082 _a550 H36
100 _aHeller, Robert . --- et. al.
245 0 _aChallenges to Science : Earth Science
260 _bWebster Division ,McGraw-Hill Book Company
_c1977
300 _a468
942 _cBK
999 _c665
_d665