Note 93 — CHEMICAL EXAMINATION.
Reading edition
Street, J. P. Report on nitrogen: [In Proc. Assoc. Off. Agri. Chemists]; U. S. Agri. Dept. Bur. Chem. Bull. 49, pp. 12–25, 1897.
Reading edition
Street, J. P. Report on nitrogen: [In Proc. Assoc. Off. Agri. Chemists]; U. S. Agri. Dept. Bur. Chem. Bull. 49, pp. 12–25, 1897.