000			00388nam a2200133Ia 4500
008			130225s9999 xx 000 0 und d
100			_aSpencer, Herbert, Osburn, Max R., Norman, Paul A.
245			_aControl of the purple scale on citrus with parathion
260			_aWashington _c1951
300			_a1-9 p.
440			_aUnited States Department of A
901			_a37041
942			_cB _2udc
999			_c6805 _d6805