Water and agriculture : a symposium presented at the Washington meeting of the American Association for the Advancement of Science, December 29-30, 1958 / edited by Roy D. Hockensmith. - Washington, D.C. : American Association for the Advancement of Science, 1960. - viii, 198 p. : il. - Publication / American Association for the Advancement of Science ; n. 62 .


Água--Conservação--Congressos.
Agricultura--Congressos.

631.7

631.7 / W324