TY - Chin J Plant Ecol A1 - Huang Jian-hui, Chen Ling-zhi T1 - A Study of Chemical Contents in a Mixed Shrubland Near Baihuashan Mountain in Beijing Y1 - JF - Chinese Journal of Plant Ecology JO - Chin J Plant Ecol SP - 224 EP - 233 VL - 15 IS - 3 UR - https://www.plant-ecology.com N1 - ER -