The 6 records in series RePEc:nbr:nberbk.

  1. RePEc:nbr:nberbk:beck94-1
  2. RePEc:nbr:nberbk:burn46-1
  3. RePEc:nbr:nberbk:frie63-1
  4. RePEc:nbr:nberbk:gord86-1
  5. RePEc:nbr:nberbk:hick60-1
  6. RePEc:nbr:nberbk:mitc51-1