Plant protection in the tropics: proceedings of the 4th International Conference on Plant Protection in the Tropics: Kuala Lumpur (Malaysia), 28-31 Mar 1994, p. 332-335
Plant protecton in the tropics: proceedings of the 4th International Conference on Plant Protection in the Tropics: Kuala Lumpur (Malaysia), 28-31 Mar 1994, p. 221-224