Didier Verna. Revisiting the Visitor: the Just Do It Pattern. J. UCS, 16(2):246-270, 2010. [doi]
@article{Verna10, title = {Revisiting the Visitor: the Just Do It Pattern}, author = {Didier Verna}, year = {2010}, url = {http://www.jucs.org/jucs_16_2/revisiting_the_visitor_the}, tags = {visitor}, researchr = {https://researchr.org/publication/Verna10}, cites = {0}, citedby = {0}, journal = {J. UCS}, volume = {16}, number = {2}, pages = {246-270}, }