Cambridge)

The Nile: Sharing a Scarce Resource: A Historical and Technical Review of Water Management and of Economical and Legal Issues

By P. P. Howell (Wolfson College, Cambridge), J. A. Allan (University of London)

European Garden Flora: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and under Glass

By The European Garden Flora Editorial Committee (Stanley Smith Horticultural Trust, Cambridge)

European Garden Flora: A Manual for the Identification of Plants Cultivated in Europe, both Out-of-Doors and under Glass

By The European Garden Flora Editorial Committee (Stanley Smith Horticultural Trust, Cambridge)