* For Sale by Superintendent of Documents. Paper, $2.50 a yr., $1.00 additional for foreign mailing; single copy, 25c. • Sent to Depository Libraries. Item 423-A
Notes:
July-Dec. 1955; [v. 11, no. 7-12]. [1955.] Each [2]+28+[2] p. il. 4°
Availability:
* For Sale by Superintendent of Documents. Paper, $2.50 a yr., $1.00 additional for foreign mailing; single copy, 25c. • Sent to Depository Libraries. Item 423-A