Bengt Strömgren
![Bengt Strömgren, 1957](https://upload.wikimedia.org/wikipedia/commons/8/88/Bengt_Str%C3%B6mgren_NYWTS.jpg)
1
Published: [1978]
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Published: 1946
3
Published: [2013]
Superior document: Title is part of eBook package: De Gruyter HUP e-dition: Complete eBook Package
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