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Bell DM, Spies TA, Pabst R.Bell DM, et al. Among authors: spies ta.Ecol Appl. 2017 Jul;27(5):1666-1676. doi: 10.1002/eap.1560. Epub 2017 Jun 22.Ecol Appl. 2017.PMID: 28421698
Spies TA, Hemstrom MA, Youngblood A, Hummel S.Spies TA, et al.Conserv Biol. 2006 Apr;20(2):351-62. doi: 10.1111/j.1523-1739.2006.00389.x.Conserv Biol. 2006.PMID: 16903096