History of the term 'Penning gas mixture' (P04476)
Content History
Date | Update Description |
Sep 29, 2006 | Taken from the original Gold Book, published in version 1.0.0 of the XML Gold Book. |
File History
File | Revision | Date |
P04476.xml | 8 | November 2, 2006, 2:43 pm |
P04476.svg | 7 | February 28, 2008, 8:38 am |