共 8 条
- [1] BARRETT JP, 1970, J FOREST, V68, P149
- [2] RELATIVE ACCURACY OF SYSTEMATIC AND STRATIFIED RANDOM SAMPLES FOR A CERTAIN CLASS OF POPULATIONS [J]. ANNALS OF MATHEMATICAL STATISTICS, 1946, 17 (02): : 164 - 177
- [3] Das AC, 1950, SANKHYA, V10, P95
- [4] Frolov YS., 1969, CARTOGR J, V6, P21
- [5] GOODCHILD MF, 1977, P COMMISSION GEOGRAP
- [6] Lloyd P.R., 1976, CARTOGR J, V13, P22
- [8] Santalo L. A., 1976, INTEGRAL GEOMETRY GE