Gelenbe, Erol (1993). "G-Networks with signals and batch removal". Probability in the Engineering and Informational Sciences. 7 (3): 335–342. doi:10.1017/s0269964800002953.
Artalejo, J.R. (Oct 2000). "G-networks: A versatile approach for work removal in queueing networks". European Journal of Operational Research. 126 (2): 233–249. doi:10.1016/S0377-2217(99)00476-2.
Harrison, P. G.; Pitel, E. (1993). "Sojourn Times in Single-Server Queues with Negative Customers". Journal of Applied Probability. 30 (4): 943–963. doi:10.2307/3214524. JSTOR3214524.
Harrison, P. G.; Pitel, E. (1993). "Sojourn Times in Single-Server Queues with Negative Customers". Journal of Applied Probability. 30 (4): 943–963. doi:10.2307/3214524. JSTOR3214524.