00266nam a2200109Ia 450000500170000000800410001708200120005810000220007024500260009226000300011830000080014820260224040743.0260224s9999||||xx |||||||||||||| ||und||  a510 JOH  aJohnsonbaugh, R.  0aDiscrete mathematics.  aNew York NY Pearsonc2016  a750