by Ploey, Jan de
Year of Publication 1983

by Ploey, Jan de
Year of Publication 1986

by De Ploey, Jan, Moeyersons, Jan, Goossens, Dirk
Published in Catena (Giessen) (1995)

by DE PLOEY, J, MOEYERSONS, J, GOOSSENS, D
Published in Catena (Giessen) (01.06.1995)

by De Ploey, Jan, Ahnert, Frank
Published in Catena (Giessen) (1985)

by Ploey, Jan de
Published in Journal of geography in higher education (01.01.1992)

by de Ploey, Jan
Published in Catena (Giessen) (1990)

by De Ploey, Jan, Ahnert, Frank
Published in Catena (Giessen) (01.12.1985)

by de Ploey, Jan, Yair, Aaron
Published in Catena (Giessen) (01.01.1985)

by Ploey, J. de
Published in Revista do Instituto Geológico (São Paulo) (01.12.1991)

by De Ploey, Jan, Ahnert, Frank
Published in Catena (Giessen) (1985)

by de Ploey, Jan, Moeyersons, Jan
Published in Catena (Giessen) (1975)

by Jan DE PLOEY
Published in Bulletin (Société géographique de Liège) (01.01.1991)