[1]
Kaufman, P.E., Koehler, P.G. and Butler, J.F. 2011. External Parasites on Beef Cattle: ENY274/IG130, rev. 4/2011. EDIS. 2011, 4 (Apr. 2011). DOI:https://doi.org/10.32473/edis-ig130-2011.