%0 Journal Article %T Understanding Gravity: Some Extra-Dimensional Perspectives %A V. H. Satheeshkumar %A P. K. Suresh %J ISRN Astronomy and Astrophysics %D 2011 %I Hindawi Publishing Corporation %R 10.5402/2011/131473 %U http://dx.doi.org/10.5402/2011/131473