1. The predictive value of nectar chemistry to the recognition of pollinator types;Baker;Isr. J. Bot.,1990
2. Application of mass spectrometry to structure problems;Biemann;J. Am Chem. Soc,1963
3. Blüten und Fledermause (Chiropterophilie);Dobat,1985
4. A vegetção do estado de Sao Palo;Eiten;Bol. Inst. Bot. (São Paulo),1970
5. The principles of pollination ecology;FÆgri;3rd ed.,1980