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1Trivandrum, India : The Centre,v. ; 28 cm.“...Centre for Earth Science Studies, Trivandrum...”
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2Trivandrum, [India] : The Centre,v. : ill. ; 24 cm.“...Centre for Earth Science Studies, Trivandrum...”
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3Published 1979### CRL customization ### ?> ### Add publisher and desc details ### ?>Trivandrum : The Centre, 1979.37 p. : ill. ; 29 cm.“...Centre for Earth Science Studies, Trivandrum...”