VIAF http://viaf.org/viaf/56679231
ISNI http://isni-url.oclc.nl/isni/0000000081354951
Biblioteca Nacional Alemana http://d-nb.info/gnd/170260941
Biblioteca Nacional Francesa http://data.bnf.fr/12322456
Sudoc http://www.idref.fr/032136145
Biblioteca del Congreso de los EEUU http://id.loc.gov/authorities/names/n79148165
Fuente consultada Keynesian theory planning models and quantitative economics, 1987
Información encontrada (Giancarlo Gandolfo, editor)