摘要
Following the 19th International Congress on Entomology from June 26 to Juy 4,1992 in Beijing,the 4th IUFRO Cone and Seed Insect Congress was held from July 5 to Ju-ly l5 at the Norlhcast Forestry University,Harbin,Heilongjiang Province.35 participantsfrom P.R.China,U.S.A.,Canada,French,Italy,Finland,Denmark,and Lithuania
