000 00300nam a2200133Ia 4500
001 7462
008 150525s9999 xx 000 0 und d
020 _a0-470-21672-7
100 _aGreen D
245 _aRadio Systems Technology
250 _a0
260 _aLondon
_bLongman
_c1990
300 _a,;ill.
999 _c39243
_d39243