000 00337nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a551.436
100 _aYoung,A.
245 _aSlopes.
260 _aLondon
_bLangman
_c1972
300 _a288
650 _aScience of the Earth.
653 _aScience of the Earth.
942 _2ddc
_cBK
999 _c6954
_d6954