000 00293nam a22001217a 4500
003 OSt
008 090731t xxu||||| |||| 00| 0 eng d
082 _a624.159.4
_bTHO
100 _aThorburn S
_99204
245 _aUnderpinning
942 _2ddc
_cBK
260 _aLondon
_bSurrey University Press
_c1985
999 _c335965
_d335965