共 30 条
[21]
Loomis J., 1997, ENVIRON RESOUR ECON, V10, P109, DOI DOI 10.1023/A:1026403916622
[24]
National Oceanic and Atmospheric Administration (NOAA), 1993, Federal Register, V58, P4601
[29]
Sheatsley P.B., 1983, HDB SURVEY RES