URL	Title	Id
http://digfir-published.macmillanusa.com/hm_custom_osu/hmosu_lab7_emissionoflight_f13.html	Chapter 14. Emission of Light and Atomic Models	51f69e0f757a2e996e00000e
http://digfir-published.macmillanusa.com/hm_custom_osu/hmosu_lab7_emissionoflight_f13_dlap.xml	DLAP questions	51f69e0f757a2e996e00000e