51 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
52 | Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software |
53 | Micro low flows average and low flows estimation in the SW region : validation of regional version 1.1 software |
54 | East Devon public water supply strategy : the existence and potential use in yield analysis of historic flow records |
55 | Library and information services of the Instituto de Investigacao Pesqueiras, Angola. Report of a two week consultancy 20 July to 3 August |