TY  - RPRT
TI  - Alun Iorwerth Rhydderch.
AU  - H Barry
PY  - 1974
DO  - 10.5694/j.1326-5377.1974.tb70912.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4610325/
ID  - 4610325
ER  -