2004, Shane Mountjoy, The Indus River[1], page 22:
Although scholars have had these seals, the so-called Indus script, since the early twentieth century, little progress has been made in decoding their meaning, largely because of the nature of the seals themselves and the problem of language.
2007, Michael Korvink, The Indus Script: A Positional-Statistical Approach, page 10:
It has been suggested, based solely on the number of signs, that the Indus script is logo-syllabic.
2008, Jane McIntosh, The Ancient Indus Valley: New Perspectives[2], page 72:
While most of the marks are simple and of a universal nature, a few were later used as signs in the Indus script.
