Light intensity at different depths in lake water

[1] ASCHKINASS, 1895, WIED ANN, V55, P401

[2] BEEBE WILLIAM, 1930, BULL NEW YORK ZOOL SOC, V33, P201

[3] BIRGE E. A., 1931, TRANS WISCONSIN ACAD SCI ARTS AND LETT, V26, P383

[4] BIRGE EA, 1930, T WISC ACAD SCI, V25, P285

[5] BIRGE EA, 1911, WIS GEOL NAT HIST SU, V22

[6] BIRGE EA, 1922, T WIS ACAD SCI ARTS, V20, P532

[7] BIRGE EA, 1929, B NATIONAL RES COUNC, V68, P61

[8] BIRGE EA, 1929, T WIS ACAD SCI ARTS, V24, P509

[9] BIRGE EA, 1920, U IOWA STUD NAT HIST, V9, P1

[10] BIRGE EA, 1921, B US BUR FISH, V37, P211

[1] ASCHKINASS, 1895, WIED ANN, V55, P401

[2] BEEBE WILLIAM, 1930, BULL NEW YORK ZOOL SOC, V33, P201

[3] BIRGE E. A., 1931, TRANS WISCONSIN ACAD SCI ARTS AND LETT, V26, P383

[4] BIRGE EA, 1930, T WISC ACAD SCI, V25, P285

[5] BIRGE EA, 1911, WIS GEOL NAT HIST SU, V22

[6] BIRGE EA, 1922, T WIS ACAD SCI ARTS, V20, P532

[7] BIRGE EA, 1929, B NATIONAL RES COUNC, V68, P61

[8] BIRGE EA, 1929, T WIS ACAD SCI ARTS, V24, P509

[9] BIRGE EA, 1920, U IOWA STUD NAT HIST, V9, P1

[10] BIRGE EA, 1921, B US BUR FISH, V37, P211