| 1. 
  |  | Title: Photosynthesis by D. O. Hall, K. K. Rao, Krishna Rao
 ISBN: 0521644976
 Publisher: Cambridge University Press
 Pub. Date: 15 July, 1999
 List Price: $25.00
 Amazon.com Price: $20.50
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| 2. 
  |  | Title: Photoconversion Processes for Energy and Chemicals (Energy from Biomass 5) by D.O. Hall, G. Grassi
 ISBN: 1851664246
 Publisher: Elsevier Science Pub Co
 Pub. Date: 01 October, 1989
 List Price: $90.00
 Amazon.com Price: $90.00
 | 
| 3. 
  |  | Title: Biomass Energy and Coal in Africa (African Energy Policy Research) by D.O. Hall, Y.S. Mao
 ISBN: 1856492354
 Publisher: Zed Books
 Pub. Date: 01 January, 1994
 List Price: $55.00
 Amazon.com Price: $55.00
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| 4. 
  |  | Title: Water Quality International '96 Part 3: Modelling of Activated Sludge Processes by D. Ballay, T. Asano, R. Bhamidimarri, K.K. Chin, W.O.K. Grabow, E.R. Hall, S. Ohgaki, D. Orhon, A. Milburn, C.D. Purdon
 ISBN: 0080430856
 Publisher: Pergamon Press
 Pub. Date: 01 November, 1996
 List Price: $22.01
 Amazon.com Price: $22.01
 | 
| 5. 
  |  | Title: Water Quality International '98 Part 1: Wastewater: Nutrient Removal by W. O. K. Grabow, M. Dohmann, C. Hass, E.R. Hall, A. Lesouef, A. van der Vlies, C.D. Purdon
 ISBN: 0080433898
 Publisher: Pergamon Press
 Pub. Date: 01 November, 1998
 List Price: $159.00
 Amazon.com Price: $159.00
 | 
| 6. 
  |  | Title: Water Quality International '96 Part 4: Environmental Contaminants by D. Ballay, T. Asano, R. Bhamidimarri, K.K. Chin, W.O.K. Grabow, E.R. Hall, S. Ohgaki, D. Orhon, A. Milburn, C.D. Purdon
 ISBN: 0080430872
 Publisher: Pergamon Press
 Pub. Date: 01 December, 1996
 List Price: $272.00
 Amazon.com Price: $272.00
 | 
| 7. 
  |  | Title: Water Quality International '98 Part 6: Water Quality: Environmental Contamination and Restoration by W.O.K. Grabow, M. Dohmann, Haas. C., E.R. Hall, A. Lesouef, D. Orhon
 ISBN: 0080433944
 Publisher: Pergamon Press Inc
 Pub. Date: 01 December, 1998
 List Price: $159.00
 Amazon.com Price: $159.00
 | 
| 8. 
  |  | Title: Water Quality International '98 Part 4: Wastewater: Industrial Wastewater Treatment by W.O.K. Grabow, M. Dohmann, C. Hass, E.R. Hall, A. Lesouef, D. Orhon, A. van der Vlies, C.D. Purdon
 ISBN: 0080433928
 Publisher: Pergamon Press
 Pub. Date: 01 November, 1998
 List Price: $318.00
 Amazon.com Price: $318.00
 | 
| 9. 
  |  | Title: Water Quality International '96 Part 5: Innovative Treatment Technologies; Membrane Technology by D. Ballay, T. Asano, R. Bhamidimarri, K.K. Chin, W.O.K. Grabow, E.R. Hall, S. Ohgaki, D. Orhon, A. Milburn, C.D. Purdon
 ISBN: 0080430880
 Publisher: Pergamon Press
 Pub. Date: 01 April, 1997
 List Price: $22.01
 Amazon.com Price: $22.01
 | 
| 10. 
  |  | Title: Water Quality International '98 Part 8: Wastewater: Sewers by W.O.K. Grabow, M. Dohmann, C. Haas, E.R. Hall, A. Lesouef, D. Orhon
 ISBN: 0080433960
 Publisher: Pergamon Press Inc
 Pub. Date: 01 December, 1998
 List Price: $159.00
 Amazon.com Price: $159.00
 |