TY - BOOK ID - 128528781 TI - A preliminary survey of the Zeeman effect in the sun-spot spectrum PY - 1934 PB - [Chicago : s.n., DB - UniCat KW - Sunspots. KW - Spectrum, Solar. KW - Magnetooptics. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128528781 AB - ER -