na INLIS000000000003512 Ind 0010-1118003512 Production of pathogen-tested sweet potato BEETHAM, Peter Peter Beetham and Angela Mason Canberra ACIAR 1992 47 p.: ill.; 24 cm.-- 47 p.: ill.; 24 cm.-- 633.492-2 IPOMOEA BATATAS PATHOGENS 4/MS/93