1. Electron transport systems of Rhizobium japonicum. I. Haemoprotein P 450, other CO-reactive pigments, cytochromes and oxidases in bacteroids from N2-fixing root nodules;Appleby;Biochem. Biophys. Acta,1969
2. Electron transport systems of Rhizobium japonicum. II. Rhizobium haemoglobin cytochromes and oxidases in free-living (cultured) cells;Appleby;Biochem. Biophys. Acta,1969
3. The role of leghaemoglobin in symbiotic N2 fixation;Appleby,1975
4. Cytochromes of rhizobia from Parasponia, pea and soybean nodules and from nitrogen fixing continuous cultures;Appleby,1981
5. Involvement of oxyleghemoglobin and cytochrome P 450 in an efficient oxidative phosphorylation pathway which supports nitrogen fixation in rhizobia;Appleby;Biochem. Biophys. Acta,1975