Frequency distributions of anthracene and pyrene in the topsoil of Tianjin
DUAN Yong-hong, LI Ben-gang, TAO Shu, WANG Xue-jun, XU Fu-liu, CAO Jun, LIU Wen-xin
GEOGRAPHICAL RESEARCH . 2005, (4): 559 -564 .  DOI: 10.11821/yj2005040010