by Friedericks, J.B. (Egerton University, Njoro, Kenya), Hagedorn, C, Vanscoyoc, S.W
Published in Applied and Environmental Microbiology (01.04.1990)

by Vocasek, F.F, Friedericks, J.B
Published in Communications in soil science and plant analysis (01.01.1994)

by Veit, H P, McCarthy, F, Friedericks, J, Cashin, M, Angert, R
Published in Revue d'élevage et de médecine vétérinaire des pays tropicaux (1993)

by Veit, H P, McCarthy, F, Friedericks, J, Cashin, M, Angert, R
Published in Revue d'élevage et de médecine vétérinaire des pays tropicaux (1993)

by H.P. Veit, F. McCarthy, J. Friedericks, M. Cashin, R. Angert
Published in Revue d'élevage et de médecine vétérinaire des pays tropicaux (01.01.1993)

by H.P. Veit, F. McCarthy, J. Friedericks, M. Cashin, R. Angert
Published in Revue d'élevage et de médecine vétérinaire des pays tropicaux (01.01.1993)

by Reneau, R.B. Jr, Jones, G.D, Friedericks, J.B
Published in Agronomy journal (1983)

by Friedericks, J.B. (Egerton Univ., Njoro (Kenya). Dept. of Agronomy), Hagedorn, C, Reneau, R.B
Published in Plant and soil (01.06.1991)

by Kalra, Y.P. (Canadian Forest Service, Edmonton, AB, Canada)
Published in Journal of AOAC International (01.03.1995)

by Veit, H.P. (Virginia Polytechnic Institute and State University, Blacksburg (Etats-Unis)), McCarthy, F, Friedericks, J, Cashin, M, Angert, R
Published in Revue d'Elevage et de Medecine Veterinaire des Pays Tropicaux (France) (1993)

by Veit, H.P. (Heifer Project International, Port au Prince (Haiti)), McCarthy, F, Friedericks, J, Cashin, M, Angert, R
Published in Revue d'Elevage et de Medecine Veterinaire des Pays Tropicaux (France) (1993)