000
00276nam a22001215i 4500
020
_a
9781849203838 (hb)
020
_a
9781849203845 (pbk)
100
1
_a
Calvey, David.
245
1
0
_a
Covert research :
260
_b
Sage Publication Ltd
_c
2017
300
_a
235pages
942
_c
BK
999
_c
2762
_d
2762