Dmitri Chkliaev Jozef Hooman Erik P. de Vink Verification and Improvement of the Sliding Window Protocol. 113-127 2003 conf/tacas/2003 TACAS http://link.springer.de/link/service/series/0558/bibs/2619/26190113.htm db/conf/tacas/tacas2003.html#ChkliaevHV03