共 9 条
[2]
Cicchetti C.J., 1973, SOC SCI RES, V2, P15, DOI DOI 10.1016/0049-089X(73)90019-7
[3]
CLAWSON M, 1959, METHODS MEASURING DE
[4]
FISHER AC, 1972, NAT RESOUR J, V12, P417
[7]
Maler K.G., 1976, EC MEASUREMENT ENV D
[8]
MCCONNELL KE, 1976, J ENV EC MANAGEMENT, V2, P24