00489cam a2200169 4500 202040840 TxAuBib 20090819120000.0 990527s1988||||||||||||||||||||||||und|u 9780939456161 0939456168 MnCdWS MnCdWS TxAuBib More science activities. New York : Galison Bks., 1988. 90 p. 19990527.