00405nam a2200121Ia 4500008004100000082001900041100002200060245001900082260005900101300001000160630001900170650009400189211109s9999||||xx |||||||||||||| ||und||  a551.467bUMM-I  aUmmerkutty, A N P 0aIndia Samudram  bState Institute of LanguagesaThiruvananthapuramc1973  a254p.  xgeneral stack   aNatural sciences & mathematicsvEarth sciencesxGeology, hydrology & meteorologyGeneralia