Chakraborty, Paromita Efficient perturbation method for flow through random rigid vegetation over small amplitude bed forms / by Paromita Chakraborty - Bhubaneswar : IIT Bhubaneswar, 2019. - xxii, 145p. : ill. (some col.) ; 29cm. Includes bibliographical references and index Dewey Class. No.: 515.392 / CHA/E