http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
GREENSMITH, J(ohn)T(revor): -- Petrology of the sedimentary rocks.6.ed. -- London[usw.]:Allen and Unwin(1978). -- 241 S.m.Fig. 8° -- (Textbook of petrology.Vol.2.) -- 1980:1281. -- Kn.