Council of Scientific and Industrial Research. (1951). Patented inventions of the C.S.I.R. Council of Scientific and Industrial Research.
Dyfyniad Arddull ChicagoCouncil of Scientific and Industrial Research. Patented Inventions of the C.S.I.R. New Delhi: Council of Scientific and Industrial Research, 1951.
Dyfyniad MLACouncil of Scientific and Industrial Research. Patented Inventions of the C.S.I.R. Council of Scientific and Industrial Research, 1951.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.