4 ms·
https://iopscience.iop.org/article/10.1088/0957-4484/27/7/075503 https://iopscience.iop.org/article/10.1088/0957-4484/27/7/07...
by waiquoo 7y ago
https://iopscience.iop.org/article/10.1088/0957-4484/27/7/075503 https://iopscience.iop.org/article/10.1088/0957-4484/27/7/07...