1. Humic substances : nature's most versatile materials /: nature's most versatile materials. (2003) Other Names: Ghabbour, Elham A; Davies, Geoffrey, 1942-; International Humic Substances Society.; Humic Substances Seminar, 6th Record Type: Book Extent: 1 online resource (352 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Humic substances : structures, models and functions /: structures, models and functions. (©2001) Other Names: Ghabbour, Elham A; Davies, Geoffrey, 1942-; Humic Substances Seminar, 5th Record Type: Book Extent: 1 online resource (xiii, 387 pages), illustrations (some color), 1 map, 1 portrait View Content: Available online (eLD content is only available in our Reading Rooms) ↗