1. Engineering Technology Research Center for Flame Retardant Materials and Processing Technology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, College of Chemistry and Environmental Science; Hebei University, No. 180 Wusi East Road; Baoding 071002 Hebei Province China
2. Library of Hebei University, No. 180 Wusi East Road; Baoding 071002 Hebei Province China