000			00409nam a2200145Ia 4500
008			190711s9999 xx 000 0 und d
020			_a0387942939
082			_a512.82 K75
100			_aKOBLITZ,N
245		0	_aCOURSE IN NUMBER THEORY AND CRYPTOGRAPHY
260			_aNEW YORK _bSpringer _c1994
300			_aX+238p., 24X16Cms.
490			_aXEROX COPIES X-163 & X-164 AVAILABLE AT COUNTER
942			_cBK _2DDC
999			_c27071 _d27071