Strategic materials in hemisphere defense /

by Hessel, Mary Stanley Hinrichs, Hessel, Mary Stanley Hinrichs, Hessel, Mary Stanley, 1903-, Hessel, Frederick Adam, Hessel, Frederick Adam, Murphy, W. J (Walter Joseph), 1899-1959, Murphy, W. J (Walter Joseph), 1899-1959
Published 1942

Chemistry in warfare, its strategic importance,

by Hessel, Frederick Adam, Hessel, Frederick Adam, Hessel, Frederick Adam, Hessel, Mary Stanley Hinrichs, Martin, Wellford, 1891-, Martin, Wellford, 1891-
Published 1940

Chemistry in warfare, its strategic importance,

by Hessel, Frederick Adam
Published 1942