2006
Fraser, E.C., Landhäusser, S.M., Lieffers, V.J., Mulak, T.
EFM Research Note 03/2006
2007
Landhäusser, S.M., Mulak, T., Lieffers, V.J.
EFM Research Note 05/2007
2009
Chow, P., Lieffers, V.J., Mulak, T., Landhäusser, S.M.
EFM Research Note 05/2009