by Higgs R.L, Paulson W.H, Pendelton J.W, Peterson A.F, Jackobs J.A, Shrader W.D
Published in Research Bulletin - Wisconsin University (1976)

by Jackobs, J.A
Published in Crop genetic resources of the Far East and the Pacific / editors, J.T. Williams and J.L. Creech (1981)

by Jackobs, J.A
Year of Publication 01.01.1974

by Sinclair, J.B, Jackobs, J.A
Published in INTSOY series (USA) (1982)

by Elmore, R.W, Jackobs, J.A
Published in Agronomy journal (01.09.1986)

by Singh, C, Jackobs, J.A
Published in Indian journal of agronomy (1971)

by Baldock, J.O, Higgs, R.L, Paulson, W.H, Jackobs, J.A, Shrader, W.D
Published in Agronomy journal (01.01.1981)

by Elmore R.W, Jackobs J.A
Published in Agronomy journal (01.01.1984)

by Jackobs, J.A, Miller, D.A
Published in Agronomy journal (01.03.1973)

by Sinclair, J.B. (ed.) 166354, Jackobs, J.A. (ed.)
Year of Publication 1982

by Gard, L.E, McKibben, G.E, Jackobs, J.A
Published in DSAC. Dixon Springs Agricultural Center (USA) (01.01.1978)

by Jackobs, J.A
Published in Agronomy journal (01.01.1950)

by Kauffman, H.E. (University of Illinois, Urbana (USA)), Jackobs, J.A, Kolivalli, S
Published in Tropical agriculture research series (01.03.1984)

by Miller, D.A, Shrivastava, J.P, Jackobs, J.A
Published in Crop science (1969)

by Pandey, R.K, Leng, E.R, Jackobs, J.A. (Govind Ballabh Pant Univ. of Agriculture and Technology, Pantnagar (India))
Published in The Indian journal of agricultural sciences (01.10.1977)

by Chambliss, C.G, Miller, D.A, Jackobs, J.A
Published in Agronomy journal (01.01.1970)