共 5 条
[1]
Amson J.C., 1975, ENVIRON PLANN B, V2, P177
[2]
DENDRINOS DS, 1976, 1976 ANN M REG SCI A
[3]
POSTON T, 1977, ENV PLANNING A, V9, P607
[4]
Thom R., 1976, STRUCTURAL STABILITY
[5]
1965, 87 NAT AC SCI NAT RE