Last update: Thu Sep 27 02:41:24 MDT 2018
@Article{Williams:1943:WH, author = "S. R. Williams", title = "What is Hardness?", journal = j-SCI-AMER, volume = "169", number = "3", pages = "109--111", month = sep, year = "1943", CODEN = "SCAMAC", DOI = "https://doi.org/10.1038/scientificamerican0943-109", ISSN = "0036-8733 (print), 1946-7087 (electronic)", ISSN-L = "0036-8733", bibdate = "Sat May 18 16:09:53 MDT 2013", bibsource = "http://www.math.utah.edu/pub/tex/bib/sciam1940.bib", URL = "http://www.nature.com/scientificamerican/journal/v169/n3/pdf/scientificamerican0943-109.pdf", acknowledgement = ack-nhfb, fjournal = "Scientific American", journal-URL = "http://www.nature.com/scientificamerican", }