000 00373nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a550.1
100 _aSingh,Parbin
245 2 _aA Textbook of engineering and general geology.
260 _aLudhiana
_bKatsonPub.
_c1980
300 _a488
650 _aScience of earth
653 _aScience of earth
942 _2ddc
_cBK
999 _c9197
_d9197