McIntosh, Robert P. |
The background of ecology : concept and theory / Robert P. McIntosh |
Cambridge : Cambridge university press, 1985. |
Greene, Edward Lee, 1843-1915 |
Landmarks of botanical history / Edward Lee Greene ; edited by Frank N. Egerton ; with contributions by Robert P. McIntosh and Rogers McVaugh |
Stanford : Stanford university press, 1983. |