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Brown, J. R.; Mastromatteo, E.; Horwood, J., Zirconium lactate and barium zirconate. Acute toxicity and inhalation effects in experimental animals, Am. Ind. Hyg. Assoc. J., 1963, 24 (2): 131–366, PMID 14015998, doi:10.1080/00028896309342940
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Brown, J. R.; Mastromatteo, E.; Horwood, J., Zirconium lactate and barium zirconate. Acute toxicity and inhalation effects in experimental animals, Am. Ind. Hyg. Assoc. J., 1963, 24 (2): 131–366, PMID 14015998, doi:10.1080/00028896309342940