EMPIRICAL BIOTIC INDEX OF QUALITY OF WATER IN SOUTH-AFRICAN STREAMS AND RIVERS

[11] HARRISON AD, 1958, T ROY SOC S AFR, V35, P299

[12] HAWKES HA, 1962, RIVER POLLUTION 2

[13] HYNES HBN, 1964, CHEM IND-LONDON, P435

[14] HYNES HBN, 1960, BIOLOGY POLLUTED WAT

[15] Kolkwitz R., 1908, BERICHTE DTSCH BOTAN, V26A, P505, DOI DOI 10.1111/J.1438-8677.1908.TBO6722.X

[16] KOLKWITZ R, 1950, SCHR REICHE VER WASS, V4, P64

[17] Kolkwitz R., 1909, INT REV GESAMTEN HYD, V2, P126, DOI DOI 10.1002/IROH.19090020108

[18] Liebmann H., 1951, HDB FRISCHWASSER ABW

[19] COMMUNITY STRUCTURE OF BENTHIC MACROINVERTEBRATES IN AN INTERMITTENT STREAM RECEIVING OIL FIELD BRINES [J]. AMERICAN MIDLAND NATURALIST, 1968, 80 (02) : 428 - &

[20] OLIFF W. D., 1960, HYDROBIOLOGIA, V16, P137, DOI 10.1007/BF00036282

[11] HARRISON AD, 1958, T ROY SOC S AFR, V35, P299

[12] HAWKES HA, 1962, RIVER POLLUTION 2

[13] HYNES HBN, 1964, CHEM IND-LONDON, P435

[14] HYNES HBN, 1960, BIOLOGY POLLUTED WAT

[15] Kolkwitz R., 1908, BERICHTE DTSCH BOTAN, V26A, P505, DOI DOI 10.1111/J.1438-8677.1908.TBO6722.X

[16] KOLKWITZ R, 1950, SCHR REICHE VER WASS, V4, P64

[17] Kolkwitz R., 1909, INT REV GESAMTEN HYD, V2, P126, DOI DOI 10.1002/IROH.19090020108

[18] Liebmann H., 1951, HDB FRISCHWASSER ABW

[19] COMMUNITY STRUCTURE OF BENTHIC MACROINVERTEBRATES IN AN INTERMITTENT STREAM RECEIVING OIL FIELD BRINES [J]. AMERICAN MIDLAND NATURALIST, 1968, 80 (02) : 428 - &

[20] OLIFF W. D., 1960, HYDROBIOLOGIA, V16, P137, DOI 10.1007/BF00036282