000 00276nam a22001215i 4500
020 _a9781849203838 (hb)
020 _a9781849203845 (pbk)
100 1 _aCalvey, David.
245 1 0 _aCovert research :
260 _bSage Publication Ltd
_c2017
300 _a235pages
942 _cBK
999 _c2762
_d2762