51 | Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards |
52 | Environmental assessment guidelines : a procedure for ensuring environmental factors are taken into account in the design and implementation of land drainage improvement works |
53 | The impact of climate change on severe droughts: Major droughts in England and Wales from 1800 and evidence of impact of Impact |