Didier, J. M. (1976). The law and practice relating to pollution control in Belgium and Luxembourg. London: Graham & Trotman.
Παραπομπή Chicago StyleDidier, J. M. The Law and Practice Relating to Pollution Control in Belgium and Luxembourg. London: Graham & Trotman, 1976.
Παραπομπή MLADidier, J. M. The Law and Practice Relating to Pollution Control in Belgium and Luxembourg. London: Graham & Trotman, 1976.
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