By Jeffers Robert   Cooper John   in Spectroscopy Letters

ISSN:0038-7010|43|3|220-225

Taylor & Francis Ltd‎(2010)‎

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By Jeffers Robert J.   in Indo-Iranian Journal

ISSN:1572-8536|18|3-4|215-225

Brill‎(1976)‎

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By Jeffers Robert   Shave Robert   Ross Emma   Stevenson Emma J.   Goodall Stuart   in Applied Physiology, Nutrition, and Metabolism

ISSN:1715-5312|40|6|557-564

NRC Research Press‎(2015)‎

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