(Note, some articles may not be publicly available. Please let me know if any links do not work or if you need to pay to view them)

Stephen LaBerge:

Lucid Dreaming:
http://ft.csa.com/ids70/resolver.php...1-005&mode=pdf

Psychophysiological Correlates of Lucid Dreaming:
http://ft.csa.com/ids70/resolver.php..._2_88&mode=pdf

Similarities and Differences Between Dreaming and Waking Cognition:
http://scholarsportal.info/pdflinks/...7014223009.pdf

~