Goos-Hänchen shifts of Helmholtz solitons at nonlocal nonlinear interfaces Shi Zhiwei, Xue Jing, Chen Jilong, Li Yang and Li Huagang Eur. Phys. J. D, 69 2 (2015) 49 Published online: 19 February 2015 DOI: 10.1140/epjd/e2015-50753-0