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1by 76272 Harsh, S.B., 99187 Ngategize, P.K., 82200 Kaneene, J.B., 91668 Mather, E.C., 82201 Kaneene, J.B. eds., 13451 Michigan State Univ., East Lansing (EUA), 20979 W.K. Kellogg Foundation, Battle Creek, Mich. (EUA), 34388 Conference on Economics of Animal Diseases Battle Creek, Mich. (EUA) 23-25 Jun 1986
Published 1987bibliotecaIICA