PT - JOURNAL ARTICLE AU - , TI - Environmental Satellites in Biology AID - 10.2307/4448735 DP - 1988 May 01 TA - The American Biology Teacher PG - 283--286 VI - 50 IP - 5 4099 - http://abt.ucpress.edu/content/50/5/283.short 4100 - http://abt.ucpress.edu/content/50/5/283.full