1. Seismic structure across the Caledonian deformation front along MONA LISA Profile 1 in the southeastern North Sea;Abramovitz,1998
2. Crustal velocity structure across the Tornquist and Iapetus suture zones; a comparison based on MONA LISA and VARNET data;Abramovitz,1999
3. Early Cambrian trilobites from Mount Luopakte, northern Sweden;Ahlberg;Sveriges Geologiska Undersökning,1980
4. Early Cambrian trilobites from northern Scandinavia;Ahlberg;Norsk Geologisk Tidskrift,1980
5. Lower Cambrian trilobites and biostratigraphy of Scandinavia;Ahlberg;Lund Publications in Geology,1984