000 00309cam a22001097a 4500
008 180718b1956 xxu||||| |||| 00| 0 eng d
082 _aN22x54 In2
245 _aCrowd control techniques
_cby A. K. Ghosh
260 _aAbu
_bDirector, National Police Academy, Abu
_c1956
300 _a61p.
700 _aGhosh, A. K.
999 _c493898
_d493898