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 @article{murugaboopathi_yamaji_tomita_1992, title={Water requirement of subsurface and surface irrigation for a new rice-growing system}, volume={23}, journal={Journal of Irrigation Engineering and Rural Planning}, author={Murugaboopathi, C. and Yamaji, E. and Tomita, M.}, year={1992}, pages={39} }
 @article{murugaboopathi_tomita_yamaji_koide_1991, title={Prospect of large-sized paddy field using direct seeding supported by subsurface irrigation system}, volume={34}, number={5}, journal={Transactions of the ASAE}, author={Murugaboopathi, C. and Tomita, M. and Yamaji, E. and Koide, S.}, year={1991}, pages={2040} }