[BANN 72] BANNER, G.P., "Geometrical Probability: Applications to Urban Service
                    Systems," unpublished thesis for degrees of Master of Science and Electrical
                    Engineering, Massachusetts Institute of Technology, Cambridge, Mass., 1972.

[BERT 07] BERTRAND, J., Calcul des probabilites, Paris, 1907.

[BUFF 77]  BUFFON, G., Essai d'arithmetique morale, Supplement al'Histoire naturelle, 4,

[DRAK 67] DRAKE, A. W., Fundamentals of Applied Probability, McGraw-Hill, New
                    York, 1967.

[HAUS 75]  HAUSNER, J., Determining the Travel Characteristics of Emergency Service
                    Vehicles, R-1687-HUD, The New York City Rand Institute, April 1975.

[JARV 75] JARVIS, J.P., K.A. STEVENSON, and T.R. WILLEMAIN, A Simpe Procedure
                   for the Allocation of Ambulances in Semi-Rural Areas
, Technical Report
                   TR-13-75, MIT Operations Research Center, Cambridge, Mass., Marh 1975.

[KEND 63] KENDALL, M.G., and P.A.P. MORAN, Geometrical Probability, Charles
London, 1963.

[KOLE 73] KOLESAR, P., and E. H. BLUM, "Square Root Laws for Fire Engine Response
                    Distances," Management science, 19 (12), 1368-1378 (1973).

[KOLE 75] KOLESAR, P., "A Model for Predicting Average Fire Engine Travel Times,"
                   Operations Research, 23, 603-613 (1975).

[KOOP 56] KOOPMAN, B.O., "The Theory of Search II. Target Detection," Operations
, 4 (5), 503-531 (1956).

[LARS 72a] LARSON, R.C., Urban Police Patrol Analysis, MIT Press, Cambridge, Mass.,

[LARS 72b] LARSON, R.C., and K.A. STEVENSON, "On Insensitivities in Urban
                     Redistricting and Facility Location," Operations Research, 20, 596-612 (1972).

[ROGE 74] ROGERS, A., Statistical analysis of Spatial Dispersion: The Quadrat Method,
                    Pion Ltd.,
London, 1974.

[SOLO 78] SOLOMON. H., Geometric Probability, Society for Industrial and Applied
                   Mathematics, Philadelphia, Pa., 1978.