00410nam a2200145Ia 45000010006000000050017000060080041000230200015000640820014000791000021000932450041001142600035001553000038001906500036002281075020261006004303.0120911s9999    xx            000 0 und d  a0789724871  a384.5 GRA  aGralla, Preston.  aHow wireless works / Preston Gralla.  aIndianapolis, IN : Que, c2002.  aviii, 232 p. : col. ill. ; 26 cm.  aWireless communication systems.