00568nam a2200145Ia 4500008004100000110003300041245015600074260004000230300004800270650001600318710006100334003000100395005001700396040000900413                                        2 aRoyal Greenwich Observatory.00aRoyal Greenwich Observatory :btelescopes, instruments, research and services /cScience and Engineering Research Council, Royal Greenwich Observatory.  aHailsham :bThe Observatory,c1985.  a128 p. :bill. (some col.), maps, ;c30 cm. 0aTelescopes.2 aScience and Engineering Research Council (Great Britain)20230123134504.0  cNUST