00280nam a2200109 a 450000500170000002000150001708200180003210000250005024500340007526000350010930000260014420251203110628.0  a8178082942  a005.4476bTAN  aTanenbaum, Andrew S.  aDistributed Operating Systems  aDelhibPearson Educationc2005  axvii,614p.c24 cm. PB