A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is
Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:2011 pre-print arXiv:1103.1972v1 fatcat:2qlkc3bjordflmseq2xc6pifyq