共 62 条
[51]
Vollenweider R. A, 1968, DASCSI68 TECHN REP O, V27, P1
[52]
WELLS DM, 1970, 5TH INT WAT POLL RES
[53]
WITZEL SA, 1966, P NAT S ANIMAL WASTE, P10
[54]
1976, FED REG 11458, V41
[55]
1964, HMSO7377 DEP SCI IND
[56]
1973, EPA440173004 REP
[57]
1977, SOIL CONSERVATION SE, V359
[58]
1975, AGRICULTURAL WASTE M
[59]
1972, BEEF CATTLE FEEDLOT
[60]
1971, 2ND P INT S LIV WAST