共 25 条
[1]
Barnes Robert, 2007, WASH POST, pA1
[2]
Chay Kenneth., 2003, NBER Working Paper
[4]
Chen L, 2000, INHAL TOXICOL, V12, P997
[7]
FERRIS BG, 1970, AM REV RESPIR DIS, V102, P591
[9]
Grossman M., 1997, SOCIAL BENEFITS ED
[10]
Hansen AC, 2000, ENVIRON RESOUR ECON, V16, P31, DOI 10.1023/A:1008318004154