共 33 条
[1]
BRATTON SP, 33RD P ANN C SE ASS
[2]
BRILLOUIN L, 1962, SCI INFORMATION THEO
[3]
BURST TL, 33RD P ANN C SE ASS
[4]
CULBERTSON N, 1977, 15 US DEP INT NAT PA
[5]
DEVINE HA, 1976, 4 US DEP INT NAT PAR
[6]
ETNIER DA, 1978, REPORT SEARCH SPOTFI
[7]
FIELDER GF, 1978, CX500041675 CONTR
[8]
FOX JR, 1973, T ANNUAL C SE ASS GA, V27, P297
[9]
GELDREICH E. E., 1970, Journal of the American Water Works Association, V62, P113
[10]
HARDIN JW, 1977, ENDANGERED THREATENE, P58