LEAD POISONING OF WHISTLING SWANS IN WISCONSIN

[1] BELLROSE FC, 1959, NAT HIST SURV B, V27, P1

[2] Bowles J. H., 1908, Auk Cambridge N Ser, V25

[3] COOK RT, TO BE PUBLISHED

[4] GRINNELL GB, 1901, AM DUCK SHOOTING, P598

[5] HAMMOND PB, 1956, U MINN AGR EXPT STA, V221, P28

[6] HARTSOUGH GR, 1944, WIS CONS DEP B, V9, P27

[7] HAURE HE, 1941, INDUSTRIAL ENGINEERI

[8] Johns FM, 1934, J LAB CLIN MED, V19, P0514

[9] JORDON JS, 1951, 26 ILL NATL SURV BIO, P1

[10] KOZELKA FL, 1941, INDUSTRIAL ENGINEERI

[1] BELLROSE FC, 1959, NAT HIST SURV B, V27, P1

[2] Bowles J. H., 1908, Auk Cambridge N Ser, V25

[3] COOK RT, TO BE PUBLISHED

[4] GRINNELL GB, 1901, AM DUCK SHOOTING, P598

[5] HAMMOND PB, 1956, U MINN AGR EXPT STA, V221, P28

[6] HARTSOUGH GR, 1944, WIS CONS DEP B, V9, P27

[7] HAURE HE, 1941, INDUSTRIAL ENGINEERI

[8] Johns FM, 1934, J LAB CLIN MED, V19, P0514

[9] JORDON JS, 1951, 26 ILL NATL SURV BIO, P1

[10] KOZELKA FL, 1941, INDUSTRIAL ENGINEERI