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1by Fish, W.R., Muriuki, C.W., Muthiani, A.M., Grab, D.J., Lonsdale-Eccles, J.D.
Published 1989-06-27Journal Article bibliotecaCGIAR -
2by Fish, W.R., Zeres, M., Nkhungulu, M., Muriuki, C.W., Ndegwa, D.M., Lonsdale-Eccles, J.D., Steyaert, J.
Published 1995-01Journal Article bibliotecaCGIAR