Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) M. Porsch,Strong‐Coupled Optical and Piezoelectric Polarons in a Magnetic Field,physica status solidi (b),0370-1972,Wiley,1970-01,41,1,151-159,https://cir.nii.ac.jp/crid/1364233269447623680,https://doi.org/10.1002/pssb.19700410116