Bhandari, K. B., S. D. Longing, C. P. West, and C. Lechnar. “Bees and Other Pollinators in Adjacent Old World Bluestem and Cotton Fields in the Texas High Plains”. Texas Journal of Agriculture and Natural Resources, Vol. 34, Apr. 2021, pp. 1-9, https://txjanr.agintexas.org/index.php/txjanr/article/view/417.