Williams, R.J. Sorghum and pearl Millet disease identification handbook / R.J. Williams, R.A. Frederiksen, J.C.Girard - 88 p. : il. - Information Bulletin ; 2 . LCCN: TIPO-2 Subjects--Topical Terms: SORGO - ENFERMEDADES Y PLAGAS Dewey Class. No.: R 633.174 / W727s