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SMALL, vol. 7, no. 21, page. 2991 - 2997, 2011-11-04
SMALL, vol. 11, no. 37, page. 4884 - 4893, 2015-10-07
SMALL, vol. 8, no. 20, page. 3111 - 3115, 2012-10-22
SMALL, vol. 11, no. 39, page. 5315 - 5323, 2015-10-21
SMALL, vol. 6, no. 13, page. 1430 - 1441, 2010-07-05
SMALL, vol. 5, no. 12, page. 1398 - 1402, 2009-06-19
SMALL, vol. 1, no. 10, page. 975 - 979, 2005-09