London: Cambridge University Press, 1952. Hardcover. First Edition. v, -749 pp. 4to. Black cloth with gold embossed titling to spine. Clean, crisp copy. Ex-library and barely noticeable. Fine.
Dennis Lindley's (1923-2013) description of what was later called, "The Lindley Equation" that describes the waiting times experienced by customers in a queue with the First-In First-Out (FIFO) discipline.