na INLIS000000000029464 Ind 0010-1218011302 Studies on the histology of partial resistance in barley to leafrust, Pucicinia hordei NIKS, R.E. R.E. Niks Wageningen Landbowhogeschool te Wageningen 1983 68 p.: ill.; 24 cm 68 p.: ill.; 24 cm 633.16NIKs Thesis (Dr)-- Landbouwhogeschool te Wageningen 633.16 BARLEYS DISEASE RESISTANCE RUSTS 3044/84-mfn31788 3044/84-mfn34351