000 00302nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aBranley, F. M.
245 0 _aExperiments in sky watching
260 _bFaber and Faber Ltd.
_aLondon
_c1959
942 _c1
999 _c80372
_d80372