@inproceedings{inproceedings23648215,
title   = {Occurrence of guanidine neurotoxins in ascidia nigra (tunicata, ascidiacea)},
author = {Freitas, J. C. and Ogata, T and Veit, C H and Kodama, M},
year = {1991},
booktitle   = {World Congress on Animal, Plant and Microbial Toxins}
}