Description
Published:Vol. 1, no. 1 (winter 1969)-v. 30, no. 4 (Nov. 1998).
Item Description:Title from cover.
Physical Description:30 volumes : illustrations, maps ; 26-28 cm.
Also issued on microfilm by University Microfilms and online.
Publication Frequency:Quarterly
ISSN:0004-0851
1523-0430