00349nam a2200109Ia 4500008004100000020001500041040002900056050003100085100002000116245007700136260002600213230104s9999||||xx |||||||||||||| ||und||  a3823613170  cChuka University Library  aCTA SB 950.3bT6S7613 2000  aStoll, Gabriele 0aNatural crop protection in the tropics: letting information come to life  aCTAbWageningenc2000