You asked for https://www.buffalofieldcampaign.org/images/get-involved/students-resource-about-bison/bison-conservation-papers/Douglas-Complete-mitochondrial-DNA-sequence-analysis-of-Bison-bison-and-bison–cattle-hybrids-September-14-2010.pdf, but despite our computers looking very hard, we could not find it. What happened ?