Akthar, Rais . Disease ecology and health : readings in medical geography / edited by Rais Akthar and Yola Verhasselt. - Jaipur : Rawat Publications , 1990. - 314p. : ills ; 22cm 21cm . NULL ISBN: 8170330955 Rs. 350.00 Subjects--Index Terms: ECOLOGY AND HEALTH Dewey Class. No.: 614.42 / AKH/D