1. Beckman JS, Johnson PE, Knapp G, Sakano H, Fuhrman SA, Ogden RC, Abelson J (1979) Organization and expression of yeast tRNA genes. In: Celis JE, Smith JD (eds) Nonsense mutations and tRNA suppressors. Academic Press
2. Bossi L, Roth JR (1980) Nature 286:123?127
3. Carbon J, Curry J (1968) J Mol Biol 38:201?216
4. Casselton LA (1978) Dikaryon formation in higher basidiomycetes. In: Smith JE, Berry DR (eds) The filamentous fungi, vol III. Edward Arnold, p 275
5. Casselton LA, Casselton PJ (1974) Mol Gen Genet 132:255?264