Boiko V.F. Theoretical bases of resource saving and ecology in the development of placer and ore gold deposits. In Russian/Boyko V.F. Teoreticheskie osnovy resursosberezheniya i ekologazatsii pri osvoenii rossypnykh i rudnykh mestorozhdeniy zolota.. Vladivostok. Dalnauka. 2003. 156 p. Please contact us for details on condition of available copies of the book. SKUalb23be23ccc9fa15d1