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WikiPedia: Vallhund Thụy Điển http://www.pedigree.com.au/dog-breed-information/d... http://www.fci.be/Nomenclature/Standards/014g05-en... http://www.swedishvallhund.com/breed-information/b... http://mail.ukcdogs.com/UKCweb.nsf/80de88211ee3f2d... http://www.nzkc.org.nz/br544.html http://svclub.org.nz/standard.php http://www.akc.org/breeds/swedish_vallhund/ http://www.akc.org/breeds/swedish_vallhund/index.c... http://www.akc.org/dog-breeds/swedish-vallhund/det... //doi.org/10.1371%2Fjournal.pone.0106610