00254nam a2200097Ia 4500008004100000082002200041100002500063245003400088260002600122300000800148140113s9999    xx            000 0 und d  a632.4:633.74   L4  a"Gregory, P.H., Ed."  aPhytophthora disease of cocoa  a1974bLongmancLondon  a348