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Shier DR, Witzgall C.Shier DR, et al.J Res Natl Bur Stand (1977). 1981 May-Jun;86(3):317-330. doi: 10.6028/jres.086.013.J Res Natl Bur Stand (1977). 1981.PMID: 34566048Free PMC article.
Goldman AJ, Shier DR.Goldman AJ, et al. Among authors: shier dr.J Res Natl Bur Stand (1977). 1980 Sep-Oct;85(5):391-396. doi: 10.6028/jres.085.023.J Res Natl Bur Stand (1977). 1980.PMID: 34566031Free PMC article.
Shier DR, Witzgall CJ.Shier DR, et al.J Res Natl Bur Stand (1977). 1978 Jan-Feb;83(1):71-74. doi: 10.6028/jres.083.004.J Res Natl Bur Stand (1977). 1978.PMID: 34565972Free PMC article.