1. Braithwaite , E.R. J. Haber Molybdenum: An Outline of Its Chemistry and Uses Elsevier Science New York, NY 1994
2. Considine , D.M. G.D. Considine Foods and Food Production Encyclopedia 633 634 674 1307 1308 Van Nostrand Reinhold New York, NY 1982
3. Lewis , R.J. N.I. Sax Sax's Dangerous Properties of Industrial Materials 10th Edition John Wiley & Sons, Inc. New York, NY 1999