by Hay C.J
Published in USDA Forest Service General Technical Report NE (USA). no. 34 (1977)

by Solomon J.D, Hay C.J
Published in Forest Service General Technical Report SO (USA). no. 4 (1974)

by Hay, C.J, Næsje, Tor Fredrik, Thorstad, Eva B
Published in NINA rapport (2008)

by Brady, B.M., Amory, J.K., Perheentupa, A., Zitzmann, M., Hay, C.J., Apter, D., Anderson, R.A., Bremner, W.J., Pollanen, P., Nieschlag, E., Wu, F.C.W., Kersemaekers, W.M.
Published in Human reproduction (Oxford) (01.01.2006)

by Hay, C.J, Van Zyl, B.J. (Ministry of Fisheries and Marine Resources, Mariental (Namibia). Freshwater Fish Inst.), Steyn, G.J
Published in Water S. A. (01.07.1996)

by ABBOTT, JAMES, CAMPBELL, LISA M., HAY, CLINTON J., NÆSJE, TOR F., NDUMBA, AMON, PURVIS, JOHN
Published in The Canadian geographer (22.09.2007)

by Hay C.J
Published in American Nurseryman (1977)

by Hay, C.J, Zyl, B.J. van (Ministry of Fisheries and Marine Resources, Mariental (Namibia)), Steyn, G.J
Published in Journal of African Zoology (Belgium) (01.10.1997)

by Hay, C.J
Published in Entomol Soc Amer Ann (1972)

by Hay, C.J
Published in Entomol Soc Amer N Cent Br Proc (1969)

by Oekland, F, Norsk Institutt for Naturforskning, Trondheim (Norway) nno, Hay, C.J, Naesje, T.F, Chanda, B, Thorstad, E.B
Year of Publication 2002

by Donley, D.E, Hay, C.J, Burns, D.P
Published in Ohio Woodlands (1969)

by Curtis, B, Roberts, K.S, Griffin, M, Bethune, S, Hay, C.J, Kolberg, H. (PO Box 90020, Windhoek (Namibia))
Published in Biodiversity and Conservation (United Kingdom) (1998)