Loaded as part of 2010 digitization project. School not named on thesis Lyn 6/8/10.  Full-text removed at request of author. Author OK'd abstract on VUIR 17/8/2010.    Lyn ; requested a copy by o0m_ziz@yahoo.com pt.13/10/10; added addtional info with copyright restrictions pt.13/10/10; requested a copy by bidyadhar@nitrkl.ac.in pt.19/10/10.   Print version of thesis available in Library.Thesis and documentation placed in dark upload Lyn 15/7/2020