00636cam a2200217 4500 339240456 TxAuBib 20100707120000.0 940125s1987||||||||||||||||||||||||eng|u 9780939456512 0939456516 (OCoLC)221142167 TxAuBib Science Activity Book / from the Smithsonian Institution. [S.l. : Galison, 1987. 90 p. : ill. 20010420. Science Activity programs. Smithsonian Institution. ALEML