000 | 00368nam a2200133Ia 4500 | ||
---|---|---|---|
999 |
_c68164 _d68164 |
||
005 | 20230705135450.0 | ||
008 | 180710s9999 xx 000 0 und d | ||
020 | _a117132 | ||
082 |
_a538.767 _bION _223 |
||
245 | _aIONOSPHERIC absorption measurements made at the Ceylon Institute of Scientific a | ||
260 |
_aColombo _b[s.n.] _c0 |
||
300 | _a[140 p.] | ||
942 | _cS |