@article {12482, title = {Neue pal{\"a}arctische Coleopteren}, journal = {OFvf}, volume = {46}, number = {16}, year = {1903}, pages = {1-14.}, author = {Poppius, B.} } @article {12359, title = {Weitere Beitr{\"a}ge zur Kenntnis der Coleopteren-Fauna des Nord{\"o}stlichen Europ{\"a}ischen Russlands}, journal = {AFff}, volume = {31}, number = {6}, year = {1908}, pages = {1-30.}, author = {Poppius, B.} } @article {12340, title = {Die Coleopteren-Fauna der Halbinsel Kanin}, journal = {AFff}, volume = {31}, number = {8}, year = {1909}, pages = {1-58.}, author = {Poppius, B.} } @article {12322, title = {Beitr{\"a}ge zur Coleopteren-Fauna des {\"a}ussersten Nordens von Sibirien}, journal = {MAsppttts, s{\'e}rie 8}, volume = {18}, number = {9}, year = {1910}, pages = {1-10.}, author = {Poppius, B. and P. Zaitzev and G. Jacobson} }