000			00340nam a2200133Ia 4500
008			130223s9999 xx 000 0 und d
100			_aKnowles, R.H.
245			_aPruning manual for ornamental trees and shrubs
260			_aOttawa
260			_c1973
440			_aNo. 1505; Canada Department of
901			_pS21826
942			_cB _2udc
999			_c130991 _d130991