共 6 条
[1]
MACKERETH FJH, 1963, 21 FRESHW BIOL ASS S
[2]
MACKERETH FJH, 1955, P SOC WATER TREATMEN, V4, P27
[3]
MACKERETH FJH, 1955, 4 MITT INT VER THEOR, P1
[4]
NYDAHL F, 1951, 2 MITT INT VER THEOR, P276
[5]
SAMUELSON O, 1951, SVENSK KEM TIDSKR, V63, P307
[6]
1965, STANDARD METHODS EXA