Generalized parton distributions from hadronic observables: non-zero skewness Saeed Ahmad, Heli Honkanen, Simonetta Liuti and Swadhin K. Taneja Eur. Phys. J. C, 63 3 (2009) 407-421 Published online: 25 August 2009 DOI: 10.1140/epjc/s10052-009-1073-4