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2. Economics of black wattle plantations in sloping lands of Nilgiris;Agarwal;Indian J. Soil Conserv.,1995
3. Experimental Designs;Cochran,1959
4. Gas chromatographic retention indices of monoterpenes and sesquiterpenes on methyl silicone and carbowax 20 M phases;Davies;J. Chromatogr.,1990
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