\input zb-basic \input zb-ioport \iteman{io-port 70576199} \itemau{Verbeek, Freek; Schmaltz, Julien} \itemti{A formal proof of a necessary and sufficient condition for deadlock-free adaptive networks} \itemso{ITP, 67-82 (2010).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-642-14052-5\_7} \end