作者:a symposium sponsored by the American Association for the Advancement of Science and the Botanical Society of America ; edited by William A. Jensen, Leroy G. Kavaljian.
作者:under the auspices of the Maria Moors Cabot Foundation ; edited by Kenneth V. Thimann, with the assistance of William B. Critchfield and Martin H. Zimmermann.
a symposium sponsored by the American Association for the Advancement of Science and the Botanical Society of America ; edited by William A. Jensen, Leroy G. Kavaljian.
under the auspices of the Maria Moors Cabot Foundation ; edited by Kenneth V. Thimann, with the assistance of William B. Critchfield and Martin H. Zimmermann.