Fletcher, E. L. Practical instructions in quantitative assaying with the blowpipe. Containing also readily applied qaulitative blowpipe tests. For the prospector, miner, and assayer, and for use in colleges / by E. L. Fletcher, U. S. Army (First edition.).
Cita Chicago Style (17a ed.)Fletcher, E. L. Practical Instructions in Quantitative Assaying with the Blowpipe. Containing Also Readily Applied Qaulitative Blowpipe Tests. For the Prospector, Miner, and Assayer, and for Use in Colleges / by E. L. Fletcher, U. S. Army. First edition. London : Chapman & Hall, limited, 1907.
Cita MLA (8a ed.)Fletcher, E. L. Practical Instructions in Quantitative Assaying with the Blowpipe. Containing Also Readily Applied Qaulitative Blowpipe Tests. For the Prospector, Miner, and Assayer, and for Use in Colleges / by E. L. Fletcher, U. S. Army. First edition.