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Dyfyniad Arddull ChicagoL Rosival, L Rosival, V Krcmery et al, and V Krcmery. Bacterial Plasmids and Antibiotic Resistance. Berlin, 1972.
Dyfyniad MLAL Rosival, et al. Bacterial Plasmids and Antibiotic Resistance. Berlin, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.