Biosystematics in agriculture: Invited papers presented at a symposium held May 8-11, 1977, at the Beltsville Agricultural Research Center (BARC), ... symposia in agricultural research)

by John Albert Romberger Hardcover details (United States). ISBN: 978-0-470-26416-4 ISBN-10: 0-470-26416-0 distribution, Halsted Press · 1978