1

The role of aquatic organisms in for sustainable utilisation

Year:
1995
Language:
english
File:
PDF, 742 KB
english, 1995
6

The Distribution of Some Stream Invertebrates in Relation to Current Speed

Year:
1969
Language:
english
File:
PDF, 556 KB
english, 1969
10

The effects of silt and sand on the invertebrate fauna of streams and rivers

Year:
1969
Language:
english
File:
PDF, 1.00 MB
english, 1969
11

Seasonality/aseasonality: Chairman's summary

Year:
1985
Language:
english
File:
PDF, 406 KB
english, 1985
12

Hydrobiological studies on the Vaal River in the Vereeniging area

Year:
1963
Language:
english
File:
PDF, 4.17 MB
english, 1963
13

An empirical biotic index of the quality of water in south African streams and rivers

Year:
1972
Language:
english
File:
PDF, 735 KB
english, 1972
18

BOOK REVIEWS

Year:
1987
Language:
english
File:
PDF, 587 KB
english, 1987
20

BOOK REVIEWS

Year:
1975
Language:
english
File:
PDF, 229 KB
english, 1975
24

Applications of a New Coefficient of Similarity to Pollution Surveys

Year:
1978
Language:
english
File:
PDF, 340 KB
english, 1978
31

Occlusion Treatment of Intermittent Divergent Strabismus

Year:
1977
Language:
english
File:
PDF, 492 KB
english, 1977
33

Variation in the day-time drift of a Natal river

Year:
1975
Language:
english
File:
PDF, 621 KB
english, 1975
34

Madame du Deffand's letters

Year:
1903
File:
PDF, 131 KB
1903
35

Madame du deffand's letters

Year:
1904
File:
PDF, 121 KB
1904