Document 991
Kessler, K.K., R.J. Johnson and K.M. Eskridge. 1994. Monofilament lines and a hoop device for bird management at backyard feeders. Wildlife Society Bulletin 22:461-470.
Kessler, K.K., R.J. Johnson and K.M. Eskridge. 1994. Monofilament lines and a hoop device for bird management at backyard feeders. Wildlife Society Bulletin 22:461-470.
