problems of the arid zone
Subtitle: proceedings of the Paris Symposium
By: [organized by the Unesco Advisory Committeeon Arid Zone Research].
Contributors: Unesco. Advisory Committee on Arid Zone Research.
Series: Arid zone research -- 18
Publisher: Unesco
Published: 1962
Place of publication: Paris
Language: eng
Number of pages: 481
Notes: "The Symposium was held at Unesco Headquarters, Paris, 11 to 18 May 1960"-foreword.