000 00256nam a2200097Ia 4500
008 200511s9999||||xx |||||||||||||| ||und||
082 _aE-503
245 0 _aEncyclopaedia of science and technology. Vol.10.
260 _bMcGraw Hill Pub.
_c1971
300 _a749p.
999 _c67511
_d67511
650 _aEncyclopedias
_aScience Encyclopedias
_aTechnology Encyclopedias
650 _aScience