000			00546nam a2200169Ia 4500
003			FRI
082			_221st ed. _a632.7 _bBRU/I
100			_aBrues, Charles T.
245			_aInsects and human welfare: _ban account of the more important relations of insects to the health of man, to agriculture, and to forestry
260			_aCambridge: _bHarvard University Press, _c1947
300			_axiii, 146p.: ill.; _c22cm
504			_aIndex: pp 149-54
653			_aBeneficial insects
653			_aInsect pests
653			_aInsects
942			_cEN _2ddc
999			_c33171 _d33171