TY - JOUR T1 - U.S. Presidential elections 1968-80: A spatial analysis AU - Poole, Keith T. AU - Rosenthal, Howard PY - 1984 SP - 282 EP - 312 JO - American Journal of Political Science VL - 28 IS - 2 SN - 0092-5853 UR - http://www.jstor.org/stable/2110874 ER -