54+53(03) chémia. fyzika. encyklopédieHaynes, W.M CRC Handbook of Chemistry and Physics : A Ready-Reference Book of Chemical and Physical Data / Zost.: Lide, D. -- 91st ed. -- Boca Raton : CRC Press, 2010. -- preruš.str. -- ISBN : 978-1-4398-2077-3. Lide, David R