00335pab a2200133 454500008004000000100001600040245003400056260000900090300001000099362000900109650001800118700001700136773004800153180718b1989   xxu||||| |||| 00| 0 eng d  aBirge, J.R.  aModelling rural police patrol  c1989  a41-54  aJan.  aPolice Patrol  aS.M. Pollock  aJournal of the Operational Research Society