000 00260nam a2200109 4500
100 _aIsuri Shakthini,G.D.
245 _aChemical Warfare Agents and History
260 _aColombo
_bICHEMC
_c2016
300 _a20
650 _aChemical Warfare
_a2016
942 _cSEMNR
999 _c3480
_d3480