An edition of The time of annulus formation and possible factors thereof, of six species of the genus Coregonus raised under artificial conditions (1965)

The time of annulus formation and possible factors thereof, of six species of the genus Coregonus raised under artificial conditions

a thesis submitted in partial fulfillment ... for the degree of Master of Science in Fisheries ...

By Walter J. Hogman,University of Michigan. School of Natural Resources