Assessing Avian Diets Using Stable Isotopes I: Turnover of<sup>13</sup>C in TissuesKeith A. Hobson, Robert G. Clark|Ornithological Applications|1992Cited by 1.2k
Stable-Nitrogen Isotope Enrichment in Avian Tissues Due to Fasting and Nutritional Stress: Implications for Isotopic Analyses of DietKeith A. Hobson, Robert G. Clark, Ray T. Alisauskas|Ornithological Applications|1993Cited by 887
Assessing Avian Diets Using Stable Isotopes II: Factors Influencing Diet-Tissue FractionationKeith A. Hobson, Robert G. Clark|Ornithological Applications|1992Cited by 858