na INLIS000000000007089 Ind 0010-1118007089 Diseases of cereals and grasses in North America SPRAGUE, Roderick Roderick Sprague New York Ronald Prass 1950 xvi, 538 p.: ill.; 23 cm xvi, 538 p.: ill.; 23 cm 633.1-24SPRd Bibl. p. 445-524 Index p. 525-538 633.1-24(7) CEREAL CROPS GRASSES PLANT DISEASE NORTH AMARICA 186/56