Sponsored by the Advanced Research Projects Agency ARPA Order No. 306 The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the Advanced Research Projects Agency or the U.S. Government. """"frSTRIBUTION STAtEMENTHT Approved for public KatribuBon UnHraltod LOCKHEED PALO ALTO RESEARCH LABORATORY LOCKHICD MISSIIIS A SPACE COMPANY A OIOUP DIVISION or lOCKMltO MICIAM COiPOlATION UNCLASSIFIED Srcunty Clansifiotion DOCUMENT CONTROL DATA R&D fSTisrlty clmtnllirttion of Uli«, hody of mbxtrmct nnd indoKing mnnolutittn must he vnlmrttd when tho overult report J« claaalllmd} I OniGiNATiNO ACTIVITY (Corpormf muthot
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