Marekov, N. (1978). International symposium on chemistry .V.3. Bulgarian Academy of Sciences.
Dyfyniad Arddull ChicagoMarekov, N. International Symposium on Chemistry .V.3. Bulgaria: Bulgarian Academy of Sciences, 1978.
Dyfyniad MLAMarekov, N. International Symposium on Chemistry .V.3. Bulgarian Academy of Sciences, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.