Introduction of beet cyst nematode resistance from Sinapis alba L. and Raphanus sativus L. into Brassica napus L. (oil-seed rape) through sexual and somatic hybridization : DIZ / Cilia L.C. Lelivelt . Wageningen :  Landbouwuniversiteit , 1993 . 141 s . [1, z toho požičaných 0]