Description
Published:No. 138 (Jan.-Feb. 1986)-no. 150 (Jan./Feb. 1988) = vol. 16, no. 1-v. 18, no. 1.
Item Description:Title from cover.
Physical Description:2 volumes : illustrations ; 27 cm
Publication Frequency:Bimonthly
ISSN:0888-0328
0047-7265
0899-2851