1 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
2 | River Wissey investigations : linking hydrology and ecology : summary of a recommendations for the River Wissey (OI/526) |
3 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
4 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987 |