共 13 条
[3]
CAIN STANLEY A., 1938, AMER MIDI NAT, V19, P573, DOI 10.2307/2420468
[4]
CLAPMAN A. R., 1932, JOUR ECOL, V20, P192, DOI 10.2307/2255973
[5]
RELATIVE ACCURACY OF SYSTEMATIC AND STRATIFIED RANDOM SAMPLES FOR A CERTAIN CLASS OF POPULATIONS
[J].
ANNALS OF MATHEMATICAL STATISTICS,
1946, 17 (02)
:164-177
[6]
DELURY DB, 1950, VALUES INTEGRALS ORT
[7]
Finney D. J., 1948, Forestry, V22, P64
[8]
Finney D. J., 1949, FORESTRY, V23, P96
[9]
Hasel AA, 1938, J AGRIC RES, V57, P0713
[10]
PECHANEC JF, 1940, AM SOC AGRON J, V32, P669