You asked for /ec/search/find/research-outcomes?instancetypename=%22Contribution%2520for%2520newspaper%2520or%2520weekly%2520magazine%22&resulthostingdatasource=%22opendoar____%253A%253Aeecca5b6365d9607ee5a9d336962c534%257C%257CInfoscience%2520-%2520%25C3%2589cole%2520polytechnique%2520f%25C3%25A9d%25C3%25A9rale%2520de%2520Lausanne%22, but despite our computers looking very hard, we could not find it. What happened ?