Title: Differential production model with quasi-fixed inputs
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF003100761&ix=nu&I=0&V=D" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF003100761&ix=nu&I=0&V=D</a>