1. TW Cassiopeiae - an algol-type binary Creator: Horák, T. B. and Chochol, D. Format: bez média and svazek Type: model:article and TEXT Subject: photometry, binary system, and TW Cassiopeiae Language: Czech Description: Photometric light curves of TW Cas do not exhibit any apparent complications. Yet, a careful analysis of the light conditions in the system leads to some contradictory results. A nontraditional explanation is suggested. Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public