00320nam a2200109 a 450000500170000002000150001708200200003210000240005224500720007626000420014830000200019020251203091722.0  a0805300864  a004.35,bD, AND  aAndrews, Gregory R.  aConcurrent programming: principles and practice6bGregory R. Andrews  aCaliforniabBenjamin / Cummingsc1991  axvii,637p, 24cm