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Direct seeding of silver fir (Abies alba Mill.) to convert Norway spruce (Picea Abies L.) forests in Europe: A review [期刊论文]
Forest Ecology and Management, 2017-01-01, 403
Huth F.;  Wehnert A.;  Tiebel K.;  Wagner S.
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San Pedro River Aquifer Binational Report [研究报告]
International Boundary and Water Commission. 2016-01-01
Callegary, James B. jcallega@usgs.gov;  Minjárez Sosa, Ismael;  Tapia Villaseñor, Elia María;  dos Santos, Placido;  Monreal Saavedra, Rogelio;  Grijalva Noriega, Franciso Javier;  Huth, A. K.;  Gray, Floyd fgray@usgs.gov;  Scott, C. A.;  Megdal, Sharon;  Oroz Ramos, L. A.;  Rangel Medina, Miguel;  Leenhouts, James M. leenhout@usgs.gov
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