A FURTHER ECOLOGICAL STUDY OF THE RIVER RHEIDOL - THE FOOD OF THE COMMON INSECTS OF THE MAIN-STREAM

[1] [Anonymous], 1933, FRESH WATER ALGAE US

[2] BUTCHER RW, 1937, TECH PAP WATER POLLU, V6

[3] On the biological factors involved in the destruction of river-fisheries by pollution due to lead-mining [J]. ANNALS OF APPLIED BIOLOGY, 1925, 12 (01) : 1 - 13

[4] A study of the fauna of rivers polluted by lead mining in the Aberystwyth District of Cardiganshire [J]. ANNALS OF APPLIED BIOLOGY, 1924, 11 (01) : 1 - 23

[5] Frison T. H., 1935, Bulletin of the Illinois Natural History Survey, V20, P281

[6] FRISON TH, 1929, B ILL LAB NAT HIST, V18, P341

[7] FROST WE, 1939, P R IR ACAD B, V45, P139

[8] GRAU HUGO, 1926, ARCH HYDROBIOL, V16, P465

[9] GUIGNOT F., 1947, COLEOPTERES HYDROCAN

[10] HUSTEDT F, 1930, ZWEITE AUFLAGE

[1] [Anonymous], 1933, FRESH WATER ALGAE US

[2] BUTCHER RW, 1937, TECH PAP WATER POLLU, V6

[3] On the biological factors involved in the destruction of river-fisheries by pollution due to lead-mining [J]. ANNALS OF APPLIED BIOLOGY, 1925, 12 (01) : 1 - 13

[4] A study of the fauna of rivers polluted by lead mining in the Aberystwyth District of Cardiganshire [J]. ANNALS OF APPLIED BIOLOGY, 1924, 11 (01) : 1 - 23

[5] Frison T. H., 1935, Bulletin of the Illinois Natural History Survey, V20, P281

[6] FRISON TH, 1929, B ILL LAB NAT HIST, V18, P341

[7] FROST WE, 1939, P R IR ACAD B, V45, P139

[8] GRAU HUGO, 1926, ARCH HYDROBIOL, V16, P465

[9] GUIGNOT F., 1947, COLEOPTERES HYDROCAN

[10] HUSTEDT F, 1930, ZWEITE AUFLAGE