REFERENCES
- Commission of European Communities (CEC), 2007. Directive 2007/60/WE of the European Parliament and of the Council 23 October 2007 on the assessment and management of flood risk. http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:32000L0060:EN:HTML (http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:32000L0060:EN:HTML)
- European Communities (EC), 2000. Establishing a framework for community action in the field of water policy. Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000, Belgium: Official Journal of the European Communities, Brussels. http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:32000L0060:EN:HTML (http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:32000L0060:EN:HTML)
- Eurostat, 2010. Europe in figures. Eurostat yearbook 2009. http://epp.eurostat.ec.europa.eu/portal/page/portal/product_details/publication?p_product_code=KS-CD-09-001 (http://epp.eurostat.ec.europa.eu/portal/page/portal/product_details/publication?p_product_code=KS-CD-09-001)
- Falkenmark , M. , Lundquist , J. and Widstrand , C. 1989 . Macro-scale water scarcity requires micro-scale approaches: aspects of vulnerability in semi-arid development . Natural Resources Forum , 13 ( 4 ) : 258 – 267 .
- Central Statistical Office, (GUS) 2009. Ochrona środowiska (Environment). Statistical information and elaborations (Environment Protection, in Polish). Warsaw: ZWS. http://www.stat.gov.pl/cps/rde/xbcr/gus/PUBL_se_ochrona_srodowiska_2009r.pdf (http://www.stat.gov.pl/cps/rde/xbcr/gus/PUBL_se_ochrona_srodowiska_2009r.pdf)
- Kowalczak , P. 2007 . Konflikty o wodę (Conflicts About Water, in Polish) , Poznań : Wydawnictwo Kurpisz S.A .
- Kowalczak , P. 2009 . Założenia do projektu zagospodarowania wód opadowych z terenów miasta Poznania (Premises for a project on management of precipitation water in the area of Poznań municipality) (typescript, in Polish). ,
- Kowalczak , P. 2011 . Wodne dylematy urbanizacji (Water-related Dilemmas of Urbanisation, in Polish) , (In press)
- Kowalczak , P. , Nieznański , P. , Stańko , R. , Sanz , M.B. and Mas , F.M. 2009 . Natura 2000 a gospodarka wodna (Natura 2000 and Water Management, in Polish) , Warszawa : Ministerstwo Środowiska .
- Kowalik , A. 2005 . Zmiany sieci hydrograficznej na obszarze Poznania w latach 1945–2000 (Changes of hydrographic network in Poznań in 1945–2000, in Polish) , Warszawa : IMGW .
- Kundzewicz , Z.W. 2000 . Gdyby mała wody miarka… Zasoby wodne dla trwałego rozwoju (If a small measure of water... Water resources for sustainable development, in Polish) , Warszawa : Wydawnictwo Naukowe PWN .
- Kundzewicz , Z.W. and Kowalczak , P. 2009 . The potential for water conflict is on the increase . Corespondence in Nature , 459 : 31 7 May 2009
- Kundzewicz , Z.W. , Szamałek , K. and Kowalczak , P. 1999 . The Great Flood of 1997 in Poland . Hydrological Sciences Journal , 44 ( 6 ) : 855 – 870 .
- Pińskwar , I. 2009 . Projekcje zmian w ekstremach opadowych w Polsce (Projections of changes in precipitation extremes in Poland, in Polish) , Doctoral dissertation, University of Life Sciences in Poznań, Department of Melioration and Environmental Engineering .
- Zieliński , J. 1996 . Stan i wykorzystanie zasobów wód powierzchniowych Polski (Status and utilization of surface water resources of Poland, in Polish) , Warszawa-Kraków : IMGW .