00359nam a2200133 a 450000500170000002000140001708200140003110000060004511000310005124500500008226000400013230000260017263000270019820251203092013.0  a030904376  a519.5,bD  d_  aNational Research Council.  aSpatial statistics and digital image analysis  aWashington,bNational Academyc1991  aix, 234 p.c27cm.bPB  aDigital image analysis