1. Beever, R.E.: Genetic and biochemical studies of PEP carboxykinase in Neurospora crassa. Ph. D. thesis, University of Leeds (1972)
2. Beever, R.E.: PEP carboxykinase from Neurospora crassa: partial purification and some properties. In preparation (1973a)
3. Beever, R.E.: Regulation of PEP carboxykinase and isocitrate lyase synthesis in Neurospora crassa. In preparation (1973b)
4. Coddington, A., Fincham, J.R.S.: Proof of hybrid enzyme formation in a case of inter-allelic complementation in Neurospora crassa. J. molec. Biol. 12, 152–161 (1965)
5. Crick, F.H.C., Orgel, L.E.: The theory of inter-allelic complementation. J. molec. Biol. 8, 161–165 (1964)