Also be sure to check out the brilliant paper recently published by Hakin9 in their issue on Nmap.
The authors detail the working of their DARPA Inference Cheking Kludge Scanner (DICKS), and cite such prominent references as
Z. Sun, "Towards the synthesis of vacuum tubes," Journal of Concurrent, Extensible Technology, vol. 84, pp. 1-19, Feb. 2005.
C. Hoare, J. Wilkinson, and D. Ritchie, "Contrasting Scheme and Internet QoS using SluicyMash," Journal of Flexible, Omniscient Epistemologies, vol. 20, pp. 154-194, Feb. 2000
"Obviously, event-driven modalities and web browsers are based entirely on the assumption that extreme programming and digital-to-analog converters are not in conflict with the deployment of massive multiplayer online role-playing games."
"We show our method's real-time evaluation in Figure 1. We consider a framework consisting of n flip-flop gates. Such a claim might seem counter intuitive but is derived from known results. Next, NMAP does not require such a theoretical emulation to run correctly, but it doesn't hurt. This seems to hold in most cases. We use our previously enabled results as a basis for all of these assumptions. This seems to hold in most cases."
"Figure 1.3: The 10th-percentile latency of NMAP, as a function of popularity of IPv7"