1. Introduction to the Rickettsiales and other parasitic or mutualistic prokaryotes;Weiss,1992
2. Symbiotic interactions;Douglas,1994
3. Phylogenetics of cytoplasmically inherited microorganisms of arthropods;Moran;Trends Ecol. Evol.,1994
4. The establishment of intracellular symbiosis in an ancestor of cockroaches and termites;Bandi,1995
5. Endosymbionts of fungi and invertebrates other than arthropods;Chang,1984