000			00308nam a2200181 4500
020			_a _c
082			_aP057
100			_a
245			_aM.Phil dissertation see also P057
250			_a
260			_a _c
300			_a
490			_a
500			_a
590			_a _b _c
650			_a
942			_cBK
999			_c542130 _d542130