Penrose's annual. Volume xxii of the Process Year-Book: Edited by William Gamble, F.R.P.S. London, Percy Lund, Humphries & Co. Small 4to 112 pages, with many illustrations in monotone and color. 1920 Price. 10 shilline's 6 hence.

✍ Scribed by Henry Leffmann

• Publisher: Elsevier Science
• Year: 1920
• Tongue: English
• Weight: 81 KB
• Volume: 189
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(20)91013-x