SCIENCE IN CHINA SERIES G PHYSICS AND ASTRONOMY Volume 53 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 52 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 51 Issue 12 Issue 11 Issue 10 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 50 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 49 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 48 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 47 Issue suppl Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 46 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1