000			00308nam a22001337a 4500
020			_a9788181282309
082			_a512.7 KOB/C
100			_aKoblitz, Neal
245			_aA Course in number theory and cryptography
250			_a2nd Ed.
260			_aNew Delhi _bSpringer _c2004
300			_a235p
942			_cBK
999			_c65541 _d65541