Natural and technological problems of protection and development of agricultural and forest environment. Scientific Conference, Sielinko, 17-19 XI 1999
Natural and technological problems of protection and development of agricultural and forest environment. Scientific Conference, Sielinko, 17-19 XI 1999
Poznań : Wydaw. AR, 1999
obieg wody - uwarunkowania antropogeniczne - melioracje - Karpaty
Natural and technological problems of protection and development of agricultural and forest environment. Scientific Conference, Sielinko, 17-19 XI 1999
Natural and technological problems of protection and development of agricultural and forest environment. Scientific Conference, Sielinko, 17-19 XI 1999
Natural and technological problems of protection and development of agricultural and forest environment. Scientific Conference, Sielinko, 17-19 XI 1999
Poznań : Wydaw. AR, 1999
jakość wód - zlewnie rolnicze - Ciemięga, zlewnia (rzeka)