Description
Published:[Vol. 47, no. 2] (Apr. 1957)-v. 102, no. 4 (Oct./Dec. 2013).
Item Description:Title from cover.
Distribution to depository libraries ends with volume 91, number 1 (spring 2002); resumes with volume 92, number 1 (fall 2003).
Physical Description:volumes : illustrations ; 28 cm.
Issue for v. 80, no. 2 (Mar.-Apr. 1990) distributed to depository libraries on microfiche.
Publication Frequency:Quarterly, -Oct./Dec. 2013
ISSN:0019-9532