A Study of Priority Pricing in Multiple Service Class Networks. - Ron Cocchi; Deborah Estrin; Scott Shenker; Lixia Zhang 001 (SIGCOMM, 1991)

Pricing in computer networks: motivation, formulation, and example. - Ron Cocchi; Scott Shenker; Deborah Estrin; Lixia Zhang 001 (IEEE/ACM Trans. Netw., 1993)