introduction_to_general_relativity.pdf
schutz_a_first_course_in_general_relativity_second_edition_1_.pdf
carroll_b.w._ostlie_d.a._-_an_introduction_to_modern_astrophysics_solution_manual-pearson_2007_.pdf
hewitt_p.g._2007_._fisica_conceptual-addison_wesley.pdf
astronomia_esferica_y_mecanica_celeste.pdf
herbert_goldstein_charles_p_poole_john_l.pdf
stellarium_user_guide-0.20.3-1.pdf