CORINE Biotopes: the design, compilation and use of an inventory of sites of major importance for nature conservation in the European Community, CORINE Biotopes Manual : a method to identify and describe consistently sites of major importance for nature conservation. Data specifications - Part 1 (Vol. 2), CORINE Biotopes Manual : a method to identify and describe consistently sites of major importance for nature conservation. Data specifications - Part 2 (Vol. 3)