Worker Hazards Associated with the Use of Grain Vacuum Systems.Published in:Journal of Agricultural Safety & Health, 2014, v. 20, n. 3, p. 147, doi. 10.13031/jash.20.9989By:Field, W. E.;Heber, D. J.;Riedel, S. M.;Wettschurack, S. W.;Roberts, M. J.;Grafft, L. J.Publication type:Article