000 | 00597nam a2200169 a 4500 | ||
---|---|---|---|
003 | AR-LpUBP | ||
005 | 20231113193354.0 | ||
007 | ta | ||
008 | 111101s1959 fi b g 000 0 eng d | ||
040 |
_aAR-LpUBP _bspa _cAR-LpUBP |
||
100 | 1 |
_aHeiskanen, W. _959026 |
|
245 | 1 | 0 | _aTopographic-isostatic reduction maps for europe and north atlantic in the hayford zones 18-1 for the airy-heiskanen system, t= 30 km and 20 km |
260 |
_aHelsinki : _bSuomalainen Tiedeakatemia, _c1959. |
||
300 |
_a4 p. : _bmaps. ; _c22 cm. |
||
490 | 0 |
_aAnnales Academiae Scientiarum Fennicae ; _v54 |
|
942 | _aBK | ||
999 |
_c550810 _d550810 |