Loop Quantum Gravity: The First 30 Years (100 Years of General Relativity, Book 4) by Abhay Ashtekar English | 2017 | ISBN: 9813209925, 9813209933 | 300 pages | PDF | 3 MB
Occupational Health and Safety for Small and Medium Sized Enterprises by Cary L. Cooper and E. Kevin Kelloway English | 2012 | ISBN: 1848446691 | 208 pages | PDF | 1,7 MB