2006
Lieffers, V.J., Fraser, E.C., Landhäusser, S.M.
EFM Research Note 09/2006
Lieffers, V.J., Landhäusser, S.M., Fraser, E.C.
EFM Research Note 04/2006
2005
Fraser, E.C., Landhäusser, S.M., Lieffers, V.J.
EFM Research Note 01/2005