#	1,940
Source	Lutz J., Hsam S.L.K., Limpert E., Zeller F.J. Chromosomal locationof powdery mildew resistance genes in Triticum aestivum L. (common wheat). 2. Genes Pm2 and Pm19 from Aegilops squarrosa L. //Heredity. 1995. Vol. 74: 152-156.