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by Elger, Donald F.; LeBret, Barbara A.; Crowe, Clayton T.; et al.
by Elger, Donald F.; Williams, Barbara C.; Crowe, Clayton T.; et al.
by Donald F. Elger
by Elger, Donald F.; Lebret, Barbara A.; Crowe, Clayton T.; et al.
by Donald F. Elger; Barbara A. LeBret; Clayton T. Crowe; et al.
by Clayton T. Crowe (Washington State Univ., Pullman); Donald F. Elger (Univ. of Idaho, Moscow); John A. Roberson (Washington State Univ., Pullman)