Philipp Neumann Wolfgang Eckhardt Hans-Joachim Bungartz Hybrid molecular-continuum methods: From prototypes to coupling software. 272-281 2014 67 Comput. Math. Appl. 2 https://doi.org/10.1016/j.camwa.2013.07.006 db/journals/cma/cma67.html#NeumannEB14