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 |
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 |
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 |