000			00407nam a2200157Ia 4500
008			170519s9999 xx 000 0 und d
041			_aEnglish
082			_a629.14353/PET
100			_aG.V PETROVICH
245			_aTHE SOVIET ENCYCLOPEDIA OF SPSCE FLIGHT
260			_bMIR PUBLISHERS _aMOSCOW _c1969
300			_c620P
650			_aENGINEERING
650			_aOTHER BRANCHES OF ENGINEERING
942			_cBK
999			_c68853 _d68853