1. Sources of environmental software
2. “Let Your Computer Do the Math,” Chemical Engineering Progress, pp. 98–102 (1993).
3. “Computers in Chemistry,” American Chemical Society, Washington, DC (1993).
4. “1992-1993 CEP Software Directory,” Chemical Engineering Progress, AIChE, New York, NY (1992).
5. “Software Listing,” Energy Science and Technology Software Center, Oak Ridge, TN (May, 1992).