@Article{gi,
author = {R\u{a}zvan Diaconescu},
title = {Grothendieck Institutions},
journal = {Applied Categorical Structures},
year = 2002,
volume = 10,
number = 4,
pages = {383--402},
note = {Preliminary version appeared as IMAR Preprint 2-2000,
ISSN 250-3638, February 2000.}
}