๐ Library
๐
December 1
๐ Polygon Media Ltd.
๐ English
Chemical Age December 14-21, 1979: <a href="https://archive.org/search.php?query=sim_pubid%3A926%20AND%20volume%3A119" rel="nofollow">Volume 119</a>, Issue 3145-3146.<br />Digitized from <a href="https://archive.org/details/sim_raw_scan_IA1574609-07/page/n753" rel="nofollow">IA1574609-07</a>.<br />P