//-->
New market-oriented instruments for environmental policies
Huppes, Gjalt, (1992)
Peak phosphorus: Implications for agricultural production, the environment and development
Craswell, Eric T., (2010)
Model implementation and quantification of the eutrophication risk associated to the use of phosphates in detergents : development of an european quantitative eutrophication risk assessment of polyphosphates in detergents ; final study report
Madariaga, Barbara M. de, (2007)