00293nam a2200109Ia 450000500170000000800410001708200150005810000180007324500440009126000400013530000080017520260224040840.0260224s9999||||xx |||||||||||||| ||und||  a635.92 PIR  aPirone, P.P.  0aDiseases and pests of ornamental plants  aNew York: John Wiley & Sons. c1978  a776