@ARTICLE{Nowak_Piotr_Helena_2013, author={Nowak, Piotr}, volume={tom 30}, journal={Pamiętnik Biblioteki Kórnickiej}, pages={240-244}, howpublished={online}, year={2013}, type={Nekrologi / Nécrologie / Obituary}, title={Helena Chłopocka 1921 - 2011}, URL={http://ochroma.man.poznan.pl/Content/113852/PDF/document%20(92).pdf}, }