http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
KEMP, Peter H.: -- The Chemistry of borates. A review. Forew. -- by H.J.Emeléus. P. 1. - London: Bo= -- rax 1956. 8° -- 1957:3213 (P.1). -- ʘ Z.