00279nam a22001097a 4500003000400000008004100004082002000045100002300065245003800088260003500126300000800161OSt240208b        |||||||| |||| 00| 0 eng d  a632.65182bD78I  aDropkin, Victor H.  aIntroduction to plant nematology   JJohn Wiley and Sons Ltd.c1980  a293