00436nam a2200181Ia 4500003000400000005001700004008004100021020001700062040000700079041000800086082002200094100001800116245004000134250000600174260004500180300001500225365001400240OSt20230412163842.0210423s2006    xx            000 0 und d  a100073010187  cAL  aeng  a302.23223b GRIE  aGRIFFIN (EM).  aFirst look at communication theory.  a6  aNew DelhibOxford University Pressc2006  axx,526bPB  b1479cINR