Media type: E-Article Title: Is there policy-oriented learning in the analysis of natural gas policy issues? Contributor: Weyant, John P. Published: Springer Science and Business Media LLC, 1988 Published in: Policy Sciences, 21 (1988) 2-3, Seite 239-261 Language: English DOI: 10.1007/bf00136409 ISSN: 0032-2687; 1573-0891 Origination: Footnote: