1. Recent advances in the chemistry of rhenium
2. Douglas, A. D.; Reilly, K. T.; Landmesser, J. E. Recovery of rhenium; US Patent No. US4557906, 1985.
3. Waterman, B. T.; Dixon, S. N.; Morelli, T. L.; Owusu, G.; Ormsby, S. T. Methods and Systems for Recovering Rhenium from a Copper Leach; US Patent No. US8361192, 2013.
4. Krynitz, U.; Olbrich, A.; Kummer, W.; Schloh, M. Method for the Decomposition and Recovery of Metallic Constituents from Superalloys; US Patent No. US5776329, 1998.