1. Spectroscopic investigation of alpha^2-CVn type stars at the Toruń observatory Creator: Burnicki, A. and Woszczyk, A. Format: bez média and svazek Type: model:article and TEXT Subject: spectroscopy, Ap-stars, and hydrogen and metallic lines Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public