00347    a2200109   4500020001500000082001600015100004600031245004200077260006500119300001500184650003800199  a9552075076  a551.46bKOV  aකොවාලික්, නාඩා  aමුහුදු ලෝකය  aකොළඹbඇස්.ගොඩගේc2004g2004  a79p.c21cm  aHydrosphare and submarine geology