Stroud, Ann(eds); Fessehaie, Rezene (eds); Parker, Chris (eds); Kebede, Ermais(eds); Abebe, Haimanot(eds)
(ETHIOPIAN WEED SCIENCE COMMITTEE, 1997)
preparing some interim guidelines based mainly on the W.H.O. classification, such that compounds
in the ’extremely’ or ’highly’ hazardous groups will not normally be permitted into IAR research
programs. The question of ...