A STUDY ON POLLUTION CONDITION AND DISTRIBUTION LAW OF TETRAETHYL LEAD IN AMBIENT AIR OF BEIJING AND TIANJIN CITIES
Meng Ke, Wu Dunhu, Liu Jingshuang
SCIENTIA GEOGRAPHICA SINICA . 1982, (4): 385 -389 .  DOI: 10.13249/j.cnki.sgs.1982.04.385