@article{articled94bc17b,
title   = {Infraspecific variation in the chemistry of glandular trichomes of two Brazilian Viguiera species (Heliantheae; Asteraceae)},
author = {Costa, Fernando Batista da and Schorr, Karin and Arakawa, Nilton Syogo and Schilling, Edward E. and Spring, Otmar},
year = {2001},
doi = {10.1590/s0103-50532001000300012},
journal   = {Journal of the Brailian Chemical Society}
}