Perry, R. H., Green, D. W., Maloney, J. O., Perry, R. H., Perry, R. H. 1., & Perry, R. H. (1997). Perry's chemical engineers' handbook (7th ed.). New York: McGraw-Hill.

Perry, Robert H., Don W. Green, James O. Maloney, Robert H. Perry, Robert H. 1924- Perry, and Robert H. Perry. Perry's Chemical Engineers' Handbook. 7th ed. New York: McGraw-Hill, 1997.

Perry, Robert H., et al. Perry's Chemical Engineers' Handbook. 7th ed. New York: McGraw-Hill, 1997.