http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bulletin of plant protection. 4th ser.: Vertebrates
Vsesoiuznyi institut zashchity rastenii.
numbers in volumes : illustrations ; 27 cm.
No. 1 issued without series designation and called v. 4, no. 1.