@book{9901,
	author = {Berg, Kris E., and Berg, Kris E.,},
	title = {Essentials of research methods in health, physical education, exercise science, and recreation /},
	publisher = {Lippincott Williams & Wilkins,},
	year = {c2004.},
	address = {Philadelphia :},
	edition = {2nd ed.},
	note = {Previous ed. published with title: Essentials of modern research methods in health, physical education, and recreation.},
	url = {http://www.loc.gov/catdir/enhancements/fy0712/2003040050-d.html}
}