000 00303nam a2200133Ia 4500
008 160316s1972 xxu||||| |||| 00| 0 eng d
020 _a
100 _aP . P .Pirone
245 _aTree Maintenance
250 _a4TH
260 _aNEW YORK
_bOXFORD UNIVERSITY PRESS
_c1972
300 _a574
700 _a
_a
999 _c36022
_d36022