http://www2.warwick.ac.uk/fac/sci/physics/current/teach/module_home/px436/notes/
lecture notes of GR
http://astro.cornell.edu/academics/courses/a290/A2290_Schedule_2009.htm
Astronomy
http://math.mit.edu/~jorloff/suppnotes/suppnotes02/
maths supp
lecture notes of GR
http://astro.cornell.edu/academics/courses/a290/A2290_Schedule_2009.htm
Astronomy
http://math.mit.edu/~jorloff/suppnotes/suppnotes02/
maths supp