text ne New York, NY American Elsevier Publishing Company, Inc. 1970- 1970 9999 monographic Quarterly 1981- Quarterly 1970-1977 Irregular 1978-1980 eng Publisher varies: Amsterdam : Elsevier Publishing Company, summer 1971-Dec. 1972; Elsevier Scientific Publishing Company, Mar. 1973-Dec. 1985); Dordrecht : Martinus Nijhoff Publishers, July 1986-Dec. 1987; Dordrecht : Kluwer Academic Publishers, 1988-June 2004; Springer, Dec. 2004- Some issues combined Policy sciences Periodicals PUCPR 990729 20160527184841.0 304198