http://www.archive.org/details/cementingvalueof00hirs Thesis (B.S.)--Armour Institute of Technology, 1914 Includes bibliographical references ... Show morehttp://www.archive.org/details/cementingvalueof00hirs Thesis (B.S.)--Armour Institute of Technology, 1914 Includes bibliographical references (leaf 65) and index B.S. in Chemical Engineering, 1914 Show less
