Title: 1937Obs....60..266E Producer: Adobe Acrobat Pro (64-bit) 23 Paper Capture Plug-in CreationDate: Sat Jun 5 03:40:05 2021 ModDate: Thu Mar 14 18:19:20 2024 Tagged: no Form: AcroForm Pages: 6 Encrypted: no Page size: 506 x 792 pts (rotated 0 degrees) File size: 382395 bytes Optimized: no PDF version: 1.6