Thesis (PhD ) - Open University. BLDSC no.DXN054620.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/496969539 |
Date | January 2002 |
Creators | Johns, Robert Geraint. |
Publisher | n.p., |
Source Sets | OCLC |
Language | English |
Detected Language | English |
Source | Online abstract and access to full text (password required) |
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