http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nitrogen metabolism in higher plants in different environments
DYK, Siebren Jan van de: -- Nitrogen metabolism in higher plants in dif- -- ferent environments. - Groningen 1981. 138 S. -- m.Tab.u.Fig. 8° -- Groningen, nat.wiss.Diss.1981. -- 1982! -- Ps.