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1by Leegwater, P.A.J., Strating, M., Murphy, N.B., Kooy, R.F., Vliet, P.C. van der, Overdulve, J.P.
Published 1991Journal Article bibliotecaCGIAR -
2by Kooy, R.F., Hirumi, H., Moloo, S.K., Nantulya, V.M., Duke, P., Linden, P.M. van der, Duijndam, W.A.I., Janse, C.J., Overdulve, J.P.
Published 1989Journal Article bibliotecaCGIAR