Goldfrank´s. Toxicologic emergencies / Lewis Nelson, Mary Ann Howland, Neal A. Lewin, Silas W. Smith, Lewis R. Goldfrank, Robert S. Hoffman

by Nelson, Lewis

Handbook of Poisonous and Injurious Plants /

by Nelson, Lewis S., Shih, Richard D., Balick, Michael J.
Published 2007

Mechanical measurements, /

by Beckwith, Thomas G., Beckwith, Thomas G., Buck, Nelson Lewis
Published 1964