URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_13_2_046.html	Chapter 1. calc_tutorial_13_2_046	50c8fcccb11c0fc169000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_13_2_046_dlap.xml	DLAP questions	50c8fcccb11c0fc169000000