Title Authors Year
Air pollution an introduction

Colls, J.…

1997
Human impacts on the nitrogen cycle: A global problem judged from a local perspective

Hessen, D.O…

1997
A preliminary evaluation of sediment quality assessment values for freshwater ecosystems

Smith, S.L…

1996
Impact of grazing and atmospheric nitrogen deposition on the vegetation of dry coastal dune grasslands

Harkle, M.J…

1996
Stoneworts - connoisseurs of clean water

Stewart, N.…

1996
Biology of Freshwater Pollution

Mason, C.F…

1996
Current and historical relationships between the tissue N content of a snowbed bryophyte and nitrogenous air pollution.

Woolgrove,…

1996
A critical limit for acid neutralizing capacity in Norwegian surface waters, based on new analyses of fish and invertebrate responses

Lien, L.;…

1996
An inventory of lowland raised bogs in Great Britain

Lindsay, R…

1996
Manual on methodologies and criteria for mapping critical levels/loads and geographical areas where they are exceeded

UNECE,

 		1996