by Heap, J.W, McKay, A.C
Published in Crop and pasture science (01.01.2009)

by Heap, J.W
Published in Weed technology (01.10.1993)

by Battle, P.D., Catlow, C.R.A., Heap, J.W., Moroney, L.M.
Published in Journal of solid state chemistry (01.06.1986)

by Battle, P.D., Catlow, C.R.A., Heap, J.W., Moroney, L.M.
Published in Journal of solid state chemistry (1986)

by Heap, J.W, Willcocks, M.C, Kloot, P.M. (South Australian Dept. of Agriculture, Adelaide)
Published in Plant protection quarterly (1987)

by Heap, J.W
Published in Australian journal of agricultural research (1997)

by Heap, J.W
Published in Australian journal of agricultural research (1997)

by Heap, J.W. (South Australian Dept. of Agriculture, Northfield. Northfield Research Lab.)
Published in Technical Report - Department of Agriculture South Australia (Australia) (1992)