by Henderson, G.M., Martel, D.J., O'Nions, R.K., Shackleton, N.J.
Published in Earth and planetary science letters (01.12.1994)

by Henderson, G.M., Martel, D.J., O'Nions, R.K., Shackleton, N.J.
Published in Earth and planetary science letters (1994)

by Belshaw, N.S., O'Nions, R.K., Martel, D.J., Burton, K.W.
Published in Chemical geology (25.01.1994)

by Martel, D.J
Published in Int Shade Tree Conf Proc (1969)

by Martel, D.J, Fredeen, G.N
Published in PNW Oreg State Univ Coop Ext Serv (1978)

by Martel, D.J, Fredeen, G.N
Published in Ext Bull Coop Ext Serv Oreg State Univ (1974)