000			00361nam a2200145Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a521098351
041			_aen
082			_a632.96
100			_aDEBACH, Paul.
245		0	_aBiological control by natural enemies
260			_aCambridge _bCambridge university press _c1974
300			_a323p.
942			_cSR
999			_c75329 _d75329