000 00450cam a2200181ua 4500
001 9952
008 170118n ii |||gr||||Z||||||asm
040 _cMAIN
041 _aasm
082 _a551.5
100 _aDuara, Hiralal,
_eAuthor.
245 _aMahakash abhijan
_cBy Hiralal Duara
250 _a2nd ed.
260 _aGuwahati:
_bPublication board, Assam,
_c1987.
300 _a125p.
653 _aGeology, hydrology & meteorology
942 _cBK
999 _c8958
_d8958