| 1. 
  |  | Title: Patty's Industrial Hygiene and Toxicology CD-ROM Version 2.0, Update for Current Users by George D. Clayton, Florence E. Clayton, Lewis J. Cralley, Lester V. Cralley, Robert Harris, James Bus
 ISBN: 0471244902
 Publisher: John Wiley & Sons
 Pub. Date: 09 February, 1998
 List Price: $435.00
 Amazon.com Price: $435.00
 | 
| 2. 
  |  | Title: Patty's Industrial Hygiene and Toxicology: Volume 3: Theory and Rationale of Industrial Hygiene Practice: The Work Environment, Parts A and B by Lewis, Cralley, Lester Cralley, James S. Bus, Lewis J. Cralley, Robert L. Harris, Lester V. Cralley
 ISBN: 0471586773
 Publisher: John Wiley & Sons
 Pub. Date: April, 1995
 List Price: $455.00
 Amazon.com Price: $455.00
 | 
| 3. 
  |  | Title: Patty's Industrial Hygiene and Toxicology Cd-Rom Version 2.0, New Users by George D. Clayton, Florence E. Clayton, Lewis J. Cralley, Lester V. Cralley, Robert Harris, James Bus
 ISBN: 0471181927
 Publisher: John Wiley & Sons
 Pub. Date: February, 1998
 List Price: $2,950.00
 Amazon.com Price: $2,950.00
 | 
| 4. 
  |  | Title: Patty's Industrial Hygiene and Toxicology: Theory and Rationale of Industrial Hygiene Practice: Biological Responses, Part B by Lewis J. Cralley, Lester V. Cralley, James S. Bus
 ISBN: 0471530654
 Publisher: Wiley-Interscience
 Pub. Date: February, 1995
 List Price: $249.00
 Amazon.com Price: $249.00
 |