. "Wikipedia:Polje"^^ . "EcoLexicon:polje"^^ . "polje"^^ . "A large closed depression draining underground, witha flat floor across which there may be an intermittent or perennial stream and which may be liable to flood and become a lake. The floor makes a sharp break with parts of surrounding slopes."^^ . . "ENVO:00000325"^^ . "ENVO"^^ .