Environmental Archaeology of Urban Sites : the 7th symposium & 4th International Conference of The Polish Association for Environmental Archaeology, September 5-10, 2011, Gdańsk, Poland - Badura, Monika; Święta-Musznicka, Joanna; Pędziszewska, Anna; Makohonienko, Mirosław (Bogucki Wydawnictwo Naukowe, 2011)