المؤلفون: Wallace, Roberta S., Grzybowski, Karen, Diebold, Edward, Michaels, Margaret G., Teare, J. Andrew, Willis, Mary Jo

المصدر: Waterbirds: The International Journal of Waterbird Biology, 1999 Jan 01. 22(3), 441-444.

URL الوصول: https://www.jstor.org/stable/1522121

المؤلفون: Wallace, Roberta S., Dubach, Jean, Michaels, Margaret G., Keuler, Nicholas S., Diebold, Edward D., Grzybowski, Karen, Teare, J. Andrew, Willis, Mary Jo

المصدر: Waterbirds: The International Journal of Waterbird Biology, 2008 Sep 01. 31(3), 448-453.

URL الوصول: https://www.jstor.org/stable/25148354

المؤلفون: Simeone, Alejandro, Araya, Braulio, Bernal, Mariano, Diebold, Edward N., Grzybowski, Karen, Michaels, Margaret, Teare, J. Andrew, Wallace, Roberta S., Willis, Mary Jo

المصدر: Marine Ecology Progress Series, 2002 Feb . 227, 43-50.

URL الوصول: https://www.jstor.org/stable/24864939

المؤلفون: Reading, Richard P., Azua, John, Garrett, Travis, Kenny, David, Lee, Hansoo, Paek, Woon Kee, Reece, Nanette, Tsolmonjav, Purevsuren, Willis, Mary Jo, Wingard, Ganchimeg

المصدر: Journal of Asia-Pacific Biodiversity; June 2020, Vol. 13 Issue: 2 p156-161, 6p

المؤلفون: Kenny, David, Batbayar, Nyambayar, Tsolmonjav, Purevsuren, Willis, Mary Jo, Azua, John, Reading, Richard

المصدر: Vulture News; Sep2008, Issue 59, p13-19, 7p

المؤلفون: Wallace, Roberta S., Teare, J. Andrew, Diebold, Edward, Michaels, Margaret, Willis, Mary Jo

المصدر: Zoo Biology; 1996, Vol. 15 Issue 2, p127-134, 8p

المؤلفون: Wallace, Roberta S., Teare, J. Andrew, Diebold, Edward, Michaels, Margaret, Willis, Mary Jo

المصدر: Zoo Biology; 1995, Vol. 14 Issue 4, p311-316, 6p