Last update: Thu Sep 27 02:41:02 MDT 2018
@Article{Anonymous:1938:IPI, author = "Anonymous", title = "{Indian} Petroglyphs Idle Scribblings?", journal = j-SCI-AMER, volume = "159", number = "6", pages = "293--293", month = dec, year = "1938", CODEN = "SCAMAC", DOI = "https://doi.org/10.1038/scientificamerican1238-293", ISSN = "0036-8733 (print), 1946-7087 (electronic)", ISSN-L = "0036-8733", bibdate = "Sat May 18 16:13:26 MDT 2013", bibsource = "http://www.math.utah.edu/pub/tex/bib/sciam1930.bib", URL = "http://www.nature.com/scientificamerican/journal/v159/n6/pdf/scientificamerican1238-293.pdf", acknowledgement = ack-nhfb, fjournal = "Scientific American", journal-URL = "http://www.nature.com/scientificamerican", }