000 00276nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aNelson W.Polsby
245 0 _aCongress and the presidency
260 _bPrentice Hall
260 _c1964
500 _aw.o
942 _cBK
999 _c197101
_d197101