TY - BOOK AU - Blumenhagen,Ralph AU - Lust,Dieter AU - Theisen,Stefan TI - Basic concepts of string theory T2 - Theoretical and mathematical physics SN - 9783642294969 AV - QC794.6 .S85B58 2013 PY - 2013/// CY - New York PB - Springer Verlag KW - String models ER -