Singla, J. Current Method in gas purification / Print. By Jagdish Singla.- - India: Universal Publishing House, C 2021. - vi,278p.: ill.; 24 cm. Includes bibliographies and index. ISBN: 9789351119975 9789393213563 Source: B-46981 Subjects--Topical Terms: Gases LC Class. No.: TP754 / .K86 2021