TY - RPRT TI - Using historical data, expert judgement and multivariate analysis in assessing reference conditions and benthic ecological status, according to the European Water Framework Directive. AU - IƱigo Muxika AU - Angel Borja AU - Juan Bald PY - 2006 DO - 10.1016/j.marpolbul.2006.05.025 UR - https://pubmed.ncbi.nlm.nih.gov/16844146/ ID - 16844146 ER -