{"source":"website","style":"apa","website": {"title":"Acidic pit lakes the legacy of coal and metal surface mines" },"contributors": [{"function":"author","last":"Geller","first":"Walter"} ],"pubtype": {"main": "pubonline"},"pubonline": {"title":"Acidic pit lakes the legacy of coal and metal surface mines","url":"http://dx.doi.org/10.1007/978-3-642-29384-9"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"800728420","isbn":"9783642293849 3642293840"}