| Identifer | oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:461858 |
| Date | January 1976 |
| Creators | Kettlewell, David |
| Publisher | Loughborough University |
| Source Sets | Ethos UK |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Source | https://dspace.lboro.ac.uk/2134/22976 |
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