Tungsten

1: Greenwood,N.N., Earnshaw,A. Chemistry of the elements
2nd edition (1997) Edited by Greenwood,N.N., Earnshaw,A. pp. 1-1340, Butterworth-Heinemann. Oxford. Great Britain

2: Buch,A. Pure Metals Properties. A Scientific-Technical Handbook
1st edition (1999) Edited by Buch,A. pp. 1-306, ASM International and Freund Publishing House Ltd. Ohio. USA

3: Merck. ChemDAT The Merck Chemical Database Ver. 1.1.5

4: CRC Handbook of Chemistry and Physics
75th edition (1994) Edited by Lide,D.R. , CRC Press Inc. Boca Raton, USA

5: Standard Methods for the Analysis of Water and Wastewater, APHA, 1992, 18th edition

6: General chemistry
7th edition (1984) Edited by Holtzclaw, Jr.,H.F., Robinson,W.R. & Nebergall,W.H. pp. 1-932. D.C. Heath and Company. Lexington

7: The Merck Index
12^th edition (1996) Edited by Budavari,S., Merck Research Laboratories, USA

8: Laulicht, F., Brocato, J., Cartularo, L., Vaughan, J., Wu, F., Kluz, T., Sun, H., Oksuz, B.A., Shen, S., Peana, M., Medici, S., Zoroddu, M.A., Costa, M. Tungsten-induced carcinogenesis in human bronchial epithelial cells.
Toxicol Appl Pharmacol. (2015) 288(1) pp. 33-39

9: Shah Idil, A., Donaldson, N. The use of tungsten as a chronically implanted material.
J Neural Eng. (2018) 15(2):021006.

10: Live Chart of Nucleotides
Nuclear Data Service. https://www-nds.iaea.org