000 00329nam a2200133 a 4500
020 _a9241544031 :
050 0 0 _aMED RA639
_bW67
245 0 0 _aEquipment for vector control.
250 _a3rd ed.
260 _aGeneva :
_bWorld Health Organization,
_c1990.
300 _ax, 310pg. :
_bill. ;
650 0 _aVector control
942 _cBK
999 _c9830
_d9830