... G. Hill . ... In this paper I outline the FORTRAN programs available at the DAO to process and synthesize spectra, loosely described under the generic name REDUCE . ... The rationale behind the various reduction and analytic software is outlined, as well as the way the programs are controlled, e.g., menu, questions and answers, keywords and values, or the cursor. ... Bevington, P. R. 1969, Data Reduction and Error Analysis for the Physical Sciences (New York, McGraw-Hill) . ... Hill, G. 1979, Publ. ...