00317nam a2200121 a 4500008004100000020001500041050001400056100002000070245003900090246003200129260002500161350000900186120416s1997    ||||||||||||||||| ||    u  a0521588650  aHB 71 Dem  aDemsetz, Harold14aThe economics of the business firm  aseven critical commentaries  aCambridgebCUPc1997  a0.00