n-Alkanes of foliar epicuticular waxes of saplings of Psidium guajava exposed to air pollution at Cubatão, SE - Brazil - Furlan, Cláudia Maria; Domingos, Marisa; Santos, Deborah Yara Alves Cursino dos; Salatino, Antonio (EuroBionet - Conference on Urban Air Pollution, Bioindication and Environmental Awareness, 2002)