00297nam a2200109Ia 450000500170000000800410001702000140005805000160007210000190008824500440010726000360015120251229192544.0251229s9999    xx            000 0 und d  a013930701  aSB 761  .M3  aManion  ,Paul. 0aTree Diseases Concepts .cPaul Manion    aNewjeseyb  Prentice Hallc1981