George S. Schisler has written:
'Salmonid disease investigations' -- subject(s): Whirling
disease, Trout
'Salmonid disease investigations' -- subject(s): Trout, Habitat,
Whirling disease, Trout fisheries, Habitat surveys, Parasites
'Salmonid disease studies' -- subject(s): Trout, Habitat,
Whirling disease, Trout fisheries, Habitat surveys, Parasites