Generalized parton distributions from hadronic observables: non-zero skewnessSaeed Ahmad, Heli Honkanen, Simonetta Liuti and Swadhin K. TanejaEur. Phys. J. C, 63 3 (2009) 407-421DOI: https://doi.org/10.1140/epjc/s10052-009-1073-4