000			00335nam a2200133Ia 4500
008			130223s9999 xx 000 0 und d
100			_aRossouw, D.J.
245			_aControl of tobacco powdery mildew
260			_aPretoria
300			_a0.833333333
440			_aNo. 22; South Africa Departmen
901			_pS9662
942			_cB _2udc
999			_c118860 _d118860