http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 1. Polyhedral virions with tripartite genomes / edited by R.I.B. Francki -- v. 2. The rod-shaped plant viruses / edited by M.H.V. Van Regenmortel and Heinz Fraenkel-Conrat -- v. 3. Polyhedral virions with monopartite RNA genomes / edited by Renate Koenig -- v. 4. The filamentous plant viruses / edited by R.G. Milne -- v. 5. Polyhedral virions and biopartite RNA genomes / edited by B.D. Harrison and A.F. Murant.