(1994). Main science and technology indicators =: Principaux indicateurs de la science et de la technologie : 1994/1. Paris: Organisation for Economic Co-operation and Development.
Παραπομπή Chicago StyleMain Science and Technology Indicators =: Principaux Indicateurs De La Science Et De La Technologie : 1994/1. Paris: Organisation for Economic Co-operation and Development, 1994.
Παραπομπή MLAMain Science and Technology Indicators =: Principaux Indicateurs De La Science Et De La Technologie : 1994/1. Paris: Organisation for Economic Co-operation and Development, 1994.
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