[1]何莹莹,袁启荣.团星系和场星系的恒星形成性质[J].南京师大学报(自然科学版),2007,30(02):37. He Yingying,Yuan Qirong.Star Formation Properties of Cluster and Field Galaxies[J].Journal of Nanjing Normal University(Natural Science Edition),2007,30(04):37.