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3. Some morpho-anatomical characteristics of cotton (Gossypium hirsutum L.) in relation to resistance to cotton leaf curl virus (CLCuV);Ashraf;J. Appl. Bot.,1999
4. Chemistry and morphology of plant epicuticular waxes;Baker,1982
5. Purity of the sacred lotus, or escape from contamination in biological surfaces;Barthlott;Planta,1997