00404nam a2200133Ia 4500020001800000082002500018100003900043245006200082260003100144300002900175490003000204500000500234700003100239  a9780471000594  a658.830184bAa111.MR  aAaker, David A. and Day, George S.  aMarketing research; private and public sector decisionsb  aNew YorkbJohn Wileyc1980  axvi, 628p. Index, Tables  aWiley series in Marketing  a  aDay, George S. ; jt. auth.