GPS Solutions
GPS Solutions > 2005 > 9 > 3 > 250-254
GPS Solutions > 2009 > 13 > 3 > 231-239
GPS Solutions > 2011 > 15 > 4 > 427-431
GPS Solutions > 2014 > 18 > 2 > 309-322
GPS Solutions > 2014 > 18 > 3 > 473-481
GPS Solutions > 2014 > 18 > 3 > 365-373