Krejzová, E. .; Bittová, M. .; Kráčmar, S. .; Vojtí­šková, P. .; Kubáň, V. K. .; Golian, J. . Effect of Thermal Treatment on Rutin Content in Selected Buckwheat Products Using Calcium As an Internal Tracer. Potr. S. J. F. Sci. 2017, 11, 679-684.