00447nam a2200145Ia 450000100060000000300050000600500170001100800410002801000170006910000240008624500490011026000690015930000330022865000400026164133BIBL20160527192102.0920521s1991    dcua   gr0   f000000eng0d  adoc92000845 10aMelton, Bob.2Local10aSEEDSba celebration of sciencecBob Melton.0 aWashingtonbNational Aeronautics and Space Administrationc1991.  av, 142 p.bcol. ill.c28 cm. 0aSciencexStudy and teaching.2Local