00273nam a2200109Ia 450000500170000000800410001708200160005810000170007424500210009126000430011230000080015520260224040953.0260224s9999||||xx |||||||||||||| ||und||  a632.625 PER  aPerry, R.N.  0aPlant nematology  aWallingford : CABI Publications c2006  a447