http://www.joostrap.com/blog/bootstrap-3-supporting-internet-explorer-8-and-9

http://stackoverflow.com/questions/24090652/respond-js-crashing-ie8-and-not-working-bootstrap-3?lq=1

Bootstrap fixes IE8 not working for me yet

http://www.joostrap.com/blog/bootstrap-3-supporting-internet-explorer-8-and-9

Tutorial: IE8 Support for Drupal Bootstrap theme

http://www.sitefinity.com/developer-network/forums/designing-styling/media-queries-with-respond-js-or-css3-mediaqueries-js