INDEXING SYSTEMS AND THEIR CONTRIBUTOR

CHAIN INDEX -- S.R.RANGANATHAN
PRECIS--DEREK AUSTIN
POPSI--G.BHATTACHARYA
UNITERM INDEXING--M.TAUBE
KEYWORD INDEXING--H.P.LUHN
CITATION INDEXING--EUGINE GARFIELD
SUBJECT INDEXING--M.E.SEARS
SLIC INDEXING--J.R.SHARP
AUTOMATIC INDEXING--HERBERT OHLMAN
THESAURAS--P.M.ROGET