000 | 00256nam a2200097Ia 4500 | ||
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008 | 200511s9999||||xx |||||||||||||| ||und|| | ||
082 | _aE-503 | ||
245 | 0 | _aEncyclopaedia of science and technology. Vol.11. | |
260 |
_bMcGraw Hill Pub. _c1971 |
||
300 | _a715p. | ||
999 |
_c67512 _d67512 |
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650 |
_aEncyclopedias _aScience Encyclopedias _aTechnology Encyclopedias |
||
650 | _aScience |