@article{article74c8741b,
title   = {Gnetins in welwitschia},
author = {Lins, A P and Yoshida, M and Gottlieb, O R and Gottlieb, H E and Kubitzki, K},
year = {1986},
doi = {10.1002/bscb.19860950904},
journal   = {Bulletin de la Societe Chimique de Belgique}
}