@inproceedings{paperid:1021994, author = {Garousi, Mohammad Reza}, title = {D-brane couplings at order O( alpha ^2) from T-duality and S-duality}, booktitle = {6th Reginal Meeting in String Theory}, year = {2011}, location = {island of Milos}, keywords = {T-duality; S-duality}, }