TY - BOOK AU - Ostrom, Elinor. TI - Governing the commons : : the evolution of institutions for collective action SN - 9780521405997 U1 - 333.2 OST PY - 1990/// CY - Cambridge ; New York PB - : Cambridge University Press KW - Commons KW - Social choice KW - Water KW - Public Choice KW - Collectieve acties KW - and Governing the commons ER -