Some finds of underwater barriers in Sweden and Finland.

von Alopaeus, Harry
Veröffentlicht in Castella Maris Baltici : 2.
Nyköping, 1996.
Umfang/Format: 9-12 : Abb.

Aspects of the Lapuri find.

von Alopaeus, Harry
Veröffentlicht in Shipshape. Essays for Ole Crumlin-Pedersen on the occasion of his 60th anniversary, february 24th 1995.
Roskilde : The Viking Ship Museum, Roskilde, 1995.
Umfang/Format: 127-134 : Abb.