In article <D5vtH4.MIx at umassd.edu>
s14840mz at umassd.edu writes:
> plant extracts and retroviruses
I'm not sure that this is the book in question however it may be of
some help/interest. "Antiviral proteins in higher plants". Eds. Meyer
Chessin, Dan DeBorde, and A. Zipf. Published by CRC Press, 1995.