The
College
of
Agriculture
and
Home
Economics,
Washington
State
University,
Pullman,
USA,
and
in
particular
Dr.
Tony
Wright,
Computer
Coordinator
and
Scientist,
and
Dr.
Gaylon
Campbell,
Professor
at
the
Crop
and
Soil
Science
Department,
for
their
assistance,
patience,
and
for
providing
the
space
in
their
server
from
1997
to
2001;
Dr.
Alan
Scaife:
almost
everything
which
is
written
in
correct
English
on
these
pages
is
correct
because
of
his
help....;
Dr.
Olaf
Christen,
for
links
from
Germany;
Dr.
Graham
Russell,
for
links
from
the
UK;