共 11 条
- [4] Elliott J. M., 1967, Archiv fuer Hydrobiologie, V63, P202
- [5] Elliott J. M., 1970, Annls Limnologie, V6, P133
- [7] ELSTER HJ, 1958, VERH INT VER LIMNOL, V13, P961
- [8] HERBST HV, 1957, ARCH HYDROBIOL, V53, P598
- [9] SCHWOERBEL J, 1966, METHODEN HYDROBIOLOG
- [10] TONOLLI V, 1971, MANUAL METHODS ASSES