| Identifer | oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:377375 |
| Date | January 1985 |
| Creators | Willett, Roger |
| Publisher | University of Aberdeen |
| Source Sets | Ethos UK |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Source | http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=165709 |
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