File	Title	Manuscript Id
Chapter 21. Analyzing the Crab Pulsar Light Curve	astro_tutorial_ch21_analyzing_the_crab_pulsar_light_curve.html	51c76defb62f8b9b79000000
DLAP questions	astro_tutorial_ch21_analyzing_the_crab_pulsar_light_curve_dlap.xml	51c76defb62f8b9b79000000