Hill, Albert, Economic botany : a textbook of useful plants and plant products / . - Second edition. - 560 páginas : ilustraciones. . - McGraw-Hill publications in the botanical sciences . Subjects--Topical Terms: AGRICULTURA.BOTANICA ECONOMICA.BOTANICA MEDICA.PRODUCTOS FORESTALES.FABRICAS.PLANTAS VENENOSAS. Dewey Class. No.: 581.6