D. Berndt, D. Spahrbier, "Batteries" in Ullmann’s Encyclopedia of Industrial Chemistry 2005, Wiley-VCH, Weinheim. DOI:10.1002/14356007.a03_343Je zde použita šablona {{DOI}} označená jako k „pouze dočasnému použití“.
Rocío Arteaga-Müller; Hayato Tsurugi; Teruhiko Saito; Masao Yanagawa; Seiji Oda; Kazushi Mashima. New Tantalum Ligand-Free Catalyst System for Highly Selective Trimerization of Ethylene Affording 1-Hexene: New Evidence of a Metallacycle Mechanism. Journal of the American Chemical Society. S. 5370–5371. DOI10.1021/ja8100837. PMID20560633.
Rocío Arteaga-Müller; Hayato Tsurugi; Teruhiko Saito; Masao Yanagawa; Seiji Oda; Kazushi Mashima. New Tantalum Ligand-Free Catalyst System for Highly Selective Trimerization of Ethylene Affording 1-Hexene: New Evidence of a Metallacycle Mechanism. Journal of the American Chemical Society. S. 5370–5371. DOI10.1021/ja8100837. PMID20560633.