Selenium-Tellurium Development Association

J. E. Oldfield, Selenium In Maps, Bulletin, Selenium—Tellurium Development Association, Grimbergen, Belgium, Apr. 1995, pp. 1—7. 

S. M. Jasinski, Proceedings of the Fifth International Symposium on Industrial Uses of Selenium and Tellurium, Brussels, Belgium, May 1994, Selenium-Tellurium Development Association, Grimbergen, Belgium, pp. 13—20. 

B.E. Springett, in Proc. 4th International Symposium. Uses of Selenium and Tellurium, Selenium-Tellurium Development Association, Inc, New York, 1989, p. 126. 

The authors are indebted to the Selenium-Tellurium Development Association, New York, for financial support of the project, and a fellowship to one of the authors (K. C. Y.). 

Oldfield J. E. (1999) Selenium World Atlas. Selenium-Tellurium Development Association. 

Selenium Tellurium Development Association, Cavite Economic Zone, Lot 6, Blk 1, Phase II Rosario, Cavite, Philippines. Phone +63 46 437 2526. Internet http //www.stda.org/. 

The author thanks the National Science Foundation for generous support of this research through Grant GP 9486 and Ganadian Gopper Refiners Ltd. for a gift of selenium through the Selenium-Tellurium Development Association. 

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