@article { ISI:000328156400001, title = {Special Issue: Conceptual Models Of Complex Systems (In Memory Of The Late Professor Lorenzo Ferrer Figueras)}, journal = {SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE}, volume = {30}, number = {6, SI}, year = {2013}, month = {NOV}, pages = {635}, issn = {1092-7026}, doi = {10.1002/sres.2233}, author = {Nemiche, Mohamed and Essaaidi, Mohamed} }