000 | 00419nam a2200157Ia 4500 | ||
---|---|---|---|
003 | NIELib | ||
008 | 211019s9999||||xx |||||||||||||| ||und|| | ||
020 | _a356041085 | ||
082 |
_a507.07 _bRIC |
||
100 |
_aRichards, Roy _95477 |
||
245 | _aHoles,gaps and cavities stages 1 & 2 | ||
260 |
_bMacdonald Educational, _c1973. _aLondon : |
||
300 |
_a90p.; _bill.; _c22cm |
||
650 | 0 |
_91859 _aScience |
|
942 |
_2ddc _cSR |
||
999 |
_c15626 _d15626 |