000 00267nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aHallows, R. W.
245 0 _aRadar: Simply Explained
260 _bChapman And Hall
_aLondon
_c1950
650 _aRadar
942 _cBK
999 _c9036
_d9036