by Goleš, Gordon G., Osawa, Masumi, Randle, Keith, Beyer, Robert L., Jérome, Dominique Y., Lindstrom, David J., Martin, Marilyn R., McKay, Sheila M., Steinborn, Terry L.
Published in Science (American Association for the Advancement of Science) (30.01.1970)

by Jerome, Dominique Y, Reynaud, Jean-Daniel
Published in Revue d'économie industrielle (1979)