1. Insecticidal defenses of Piperaceae from the neotropics;Bernard;Journal of Chemical Ecology,1995
2. Callejas, R, 1986. Taxonomic revision of Piper subgenus Ottonia (Piperaceae). Ph.D. dissertation, City University New York, 416 pp.
3. Cordova, D., 1996. Calcium ratio imaging of insect cells: Validation of an imaging system and its application on spatial localization of induced calcium influx. Master thesis, Drexel University, 152 pp.
4. Structure-activity relationships of insecticidal amides from Piper guineense root;Gbewonyo;Pesticide Science,1993
5. 2E 4E-N iso butyl-9-piperonyl nona-2 4-dienoic amide from Ottonia anisum (synonym Piper jaborandi);Giesbrecht;Planta Medica,1982