mblwholibrary

http://www.mblwhoilibrary.org/

virus properties

http://www.britannica.com/EBchecked/topic/630244/virus/32742/Size-and-shape

IAVIReport

http://www.iavireport.org/Blog/archive/2013/04/18/study-explores-the-biological-properties-of-transmitted-founder-viruses.aspx

introduction to plant viruses

http://www.dpvweb.net/intro/

center for virus research

http://cvr.bio.uci.edu/

proeprtis of viruses volume 3

http://www.biodiversitylibrary.org/bibliography/10179#/summary

physico bichemical properties of viruses

http://www.archive.org/download/virusesbiochemic01burn/virusesbiochemic01burn.pdf