其他書名 | The Magazine of the National Bureau of Standards, U.S. Department of Commerce |
出版 | U.S. Department of Commerce, National Bureau of Standards Standards, 1977 |
URL | http://books.google.com.hk/books?id=Idq5yJf_UrwC&hl=&source=gbs_api |
EBook | FULL_PUBLIC_DOMAIN |