http://dl.dropbox.com/u/56864497/Physik/String%20Theory/An%20Introduction%20to%20String%20Theory%20Kevin%20Wray%20.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/David%20Tong%20Lectures%20on%20String%20Theory.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/Graduate%20Course%20in%20String%20Theory%20by%20Angel%20M%20Uranga%20.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/INTRODUCTION%20FIELD%20THEORY%20TO%20CONFORMAL%20AND%20STRING%20THEORY%20Lance%20J%20Dixon.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/Musser_G._The_Complete_idiots_guide_to_string_theory.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/String%20Theory%20Volume1%20An%20Introduction%20to%20the%20Bosonic%20String%20Joseph%20Polchinski.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/String%20Theory%20Volume2%20Superstring%20Theory%20and%20Beyond%20Joseph%20Polchinski.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/Van_Proeyen_A._Introduction_to_string_theory.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/WHAT%20IS%20STRING%20THEORY%20Joseph%20Polchinski.pdf
http://dl.dropbox.com/u/56864497/Physik/String%20Theory/Zwiebach_B._A_first_course_in_string_theory_2nd_ed..pdf