000 00268nam a2200121Ia 4500
041 _aEN
082 _bPAT
100 _aPatwardhan A.M
245 0 _aThe Dynamic Earth System / Patwardhan A.M
260 _bNew DelhiPHI Learning
_c2012
300 _a522
942 _cBK
999 _c29859
_d29859