Soliton collisions and integrable aspects of the fifth-order Korteweg-de Vries equation for shallow water with surface tensionWen-Rong Sun, Wen-Rui Shan, Yan Jiang, Pan Wang and Bo TianEur. Phys. J. D, 69 2 (2015) 47DOI: https://doi.org/10.1140/epjd/e2014-50687-y