Ravallion, Martin Poverty lines in theory and practice / Martin Ravallion. - Washington, DC : World Bank (WB) , 1998 - x, 35p. : ill. ; 28 cm. - LSMS working paper, no. 133 0253-4517 ; . Includes bibliographical references (p. 32-35). ISBN: 0821342266 (pbk.) Subjects--Topical Terms: Poverty--Econometric modelsPoverty--Statistical methods Gov. Doc. Class. No.: UN WB LSMS WP-133