- 
              
            1
 - 
              
            2
 - 
              
            3
Biological indicators and their use in the measurement of the condition of the marine environment
Veröffentlicht 1995Buch - 
              
            4
Guidelines for marine environmental assessments GESAMP Reports and studies no. 54.
Veröffentlicht 1994Buch - 
              
            5