By Kenneth Glyn Jones
This re-creation of Double stars has been widely revised. All chapters were rewritten and, quite often, prolonged. extra extensive assurance has been given to micrometers and micrometric measures. part has been enlarged through greater than a hundred and ten units of measures. 100 forty-three extra double and a number of superstar platforms were lined, making an new overall of 665. For two hundred double and a number of superstar structures, shades of the elements were made up our minds and at the moment are given.
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