http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Twist and order in cholesteric liquid crystalline mixtures
D 200.863 -- HANSON,Hendrikus: -- Twist and order in cholesteric liquid cry -- stalline mixtures.[Mit holl.Zsfassung.] - -- Groningen 1981. 107 S.m.Fig.u.Tab. 8° -- Groningen,naturwiss.Diss.1981. -- 1985! -- Obl.