Tschischewsky N. P. (1915). The accurence and influence at nitwgen an iron and steel; Iron - steel Inst.; Vol. 92, № 2. 1915.
Cita Chicago (17th ed.)Tschischewsky N. P. The Accurence and Influence at Nitwgen an Iron and Steel; Iron - Steel Inst.; Vol. 92, № 2. 1915, 1915.
Cita MLA (9th ed.)Tschischewsky N. P. The Accurence and Influence at Nitwgen an Iron and Steel; Iron - Steel Inst.; Vol. 92, № 2. 1915, 1915.
Atenció: Aquestes cites poden no estar 100% correctes.