Adams, James, 1962- A unified theory of party competition : a cross-national analysis integrating spatial and behavioral factors / James F. Adams, Samuel Merrill III, Bernard Grofman. - xviii, 311 p. : ill. ; 24 cm. ISBN: 0521836441 (hardback : alk. paper) 0521544939 (pbk. : alk. paper) LCCN: 2004054561 Subjects--Topical Terms: DemocracyPolitical partiesElectionsVoting researchComparative government LC Class. No.: JF2051 / .A34 2005