Halley, D. J., M. Minagawa, M. Nieminen, and E. Gaare. “Preservation in 70% Ethanol Solution Does Not Affect δ<sup>13</sup>C and δ<sup>15</Sup>N Values of Reindeer Blood Samples – Relevance for Stable Isotope Studies of Diet”. Rangifer, vol. 28, no. 1, Apr. 2008, pp. 9-12, doi:10.7557/2.28.1.146.