000 00281nam a22001337a 4500
999 _c667
_d667
020 _a9790313319302
082 _a550.02
100 _aRobert E. Krebs
245 _aThe Basics of Earth Science
250 _a1st
260 _aNew Delhi
_bAtlantic
_c2007
300 _a342
942 _cBK