E-mail addresses of dipterologists.

[Atilano Contreras-Ramos]

I would very much appreciate if someone could supply to me the e-mail
addresses of Drs.:

Erick Petersson and John M. Sivinsky

both working at the USDA-ARS in Gainesville, Fla.  Please reply directly to
me.  Thanks in advance for your help.

Atilano Contreras-Ramos, Ph.D.
Instituto de Biologia, U.N.A.M.
Depto. Zoologia, Apdo. Postal 70-153
04510 Mexico, DF; MEXICO.
Fax (525) 550-0164.