NATIONAL ACADEMY PRESS
2101 Constitution Avenue, NW Washington, DC 20418

NOTICE: The project that is the subject of this summary was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the planning group responsible for the planning of the workshop were chosen for their special competences and with regard for appropriate balance.

This workshop was supported by agreement numbers 59-0790-1-137, 2001-38831-11434, 263-MD-203182, DE-FG02-02ER63368, and IBN-0136019 between the National Academy of Sciences and the U.S. Department of Agriculture (ARS and CSREES), the National Institutes of Health, the Department of Energy, and the National Science Foundation (any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation). Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the organizations or agencies that provided support for the project.

International Standard Book Number 0-309-08505-5

Additional copies of this summary are available from
National Academy Press,
2101 Constitution Avenue, NW, Lockbox 285, Washington, DC 20055; (800) 624-6242 or (202) 334-3313 (in the Washington metropolitan area); Internet, http://www.nap.edu.

Printed in the United States of America.

Copyright 2002 by the National Academy of Sciences. All rights reserved.



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement