00419 a2200109 4500082001300000100002400013245012700037260007100164300001800235650001900253650003700272 a551bKAT aKatupotha, Jinadasa aEvolution and the geological significance of late pleistocene fossil shell beds of the southern coastal zone of Sri Lanka  aColombobNatural Resources Energy & Sciences Authorityc1995g1995 axi,64p.c28cm aEarth sciences aNatural sciences and mathematics