proceedings of the 5th Congress of the International Radiation Protection Society, Jerusalem, March 1980. proceeding of the first Nankai international conference on tourism proceedings of the 2nd MycoKey international conference proceedings of China's 5th international symposium on tunnelling proceedings of the 6th International Conference on Macaology proceedings of the second Pearl River International Poetry Conference proceedings of the 2018 science & you international symposium and summit on culture of science proceedings of 2009 high-level international forum on protected horticulture proceedings of the third session of the China law implementation forum