PT - JOURNAL ARTICLE ED - , TI - Calendar of Events AID - 10.1126/science.167.3921.1162 DP - 1970 Feb 20 TA - Science PG - 1162--1162 VI - 167 IP - 3921 4099 - http://science.sciencemag.org/content/167/3921/1162.1.short 4100 - http://science.sciencemag.org/content/167/3921/1162.1.full SO - Science1970 Feb 20; 167