River mixing, by J. C. Rutherford, 1994
R. H. SPIGEL
An introduction to the aquatic insects of North America, by R. W. Merritt and K. W. Cummins ed. 1996.
MIKE WINTERBOURN
New Zealand Journal of Marine and Freshwater Research, 1996: Vol. 30: 281-283
0028-8330/96/3002-0281 $2.50/0 (c) The Royal Society of New Zealand 1996
PDF file of entire paper: medium quality (275K); (scanned from paper original: notes about this process)