Opik, Helgi, 1936- The respiration of higher plants / Helgi Opik. - London : Edward Arnold, 1980. - 58 p. : Ill. - The Institute of Biology's Studies in biology ; no. 120 . - Institute of Biology's studies in biology ; no. 120. . ISBN: 0713128011 LCCN: 93044052 Subjects--Topical Terms: Plants--Respiration.