Home › Authors › National Research Council (U.S.). Committee on Assessing Numeric Limits for Living Organisms in Ballast Water 👤 National Research Council (U.S.). Committee on Assessing Numeric Limits for Living Organisms in Ballast Water 1 book Books by National Research Council (U.S.). Committee on Assessing Numeric Limits for Living Organisms in Ballast Water Assessing the relationship between propagule pressure and invasion risk in ballast water 2011