Title of article :
Trilobite systematics, biostratigraphy and palaeoecology of the lower ordovician komstad limestone and huk formations, southern Scandinavia: Arne Thorshّj Nielsen. Fossils & Strata, 38, 374 pp. Scandinavian University Press. ISBN 82-00-37658-3
Author/Authors :
Westrop، نويسنده , , S.R.، نويسنده ,
