TY  - BOOK
AU  - P.P. Pirone
TI  - Tree maintenance. Ed 5
SN  - 0-19-502321-8
U1  - 635.977 
PY  - 1978///
CY  - New York
PB  - Oxford University Press
N1  - P.P. Pirone: Tree maintenance. Ed 5.  (5th Edtion)  New York.  Oxford University Press, 1978. 0-19-502321-8--(635.977PIR)
ER  -