000 00311nam a22001451a 4500
020 _a9788130009216
082 _aM 551.447
_bTHE
245 _aTheerangal guhakal/
260 _aKozhikode:
_bPoorna,
_c2008.
300 _a99p.
650 _aCaves
650 _aGeomorphology
650 _aScience
942 _cBK
999 _c46682
_d46682