共 43 条
[1]
*ACIR, 1972, MULT REG
[2]
[Anonymous], INTEGRATED ENV MANAG
[3]
[Anonymous], 1986, CADILLAC DESERT
[4]
[Anonymous], 1959, CONSERVATION GOSPEL
[5]
[Anonymous], CENTURY MAY
[6]
BELL CD, 1997, WATER W TODAY STATES
[7]
Benson R., 1996, ENV L, V26, P175
[8]
CASE P, 1997, PATTERNS DEMOGRAPHIC
[9]
CLARK J, 1997, WATERSHED PARTNERSHI
[10]
*EPA, 1996, EPA840S96001