USE AUTHORS
DELETE ALL
PACK
APPE FROM PAPERS FOR SELECTED
REPLACE ALL FILE WITH "PAPERS"
APPE FROM BOOKS FOR SELECTED
REPLACE FOR FILE<>"PAPERS" FILE WITH "BOOKS"
SORT ON AUTHOR TO A
USE
DELETE FILE AUTHORS
RENAME A TO AUTHORS
RETURN

APERS   YKnuth D.E.                                                          1968PAPERS   yLedley R.S.                                                         1964PAPERS   yLu Shin-Yee, Fu K.S.                                                1977PAPERS   yMayersb