The Sagittarius spiral arm and the general distribution of hydrogen between 0 ̊and 90 ̊longitude
Subtitle: streaming and geometrical effects on the derivation of density / William Butler Burton
Publisher: Sterrewacht
Published: 1970
Place of publication: Leiden
Language: eng; dut
Number of pages: 362
Subjects: Interstellar hydrogen; Radio telescopes; Density wave theory; Galaxies
Notes: "1970 Astr. Astrophys. Suppl., 2, 261-289."

Preface and summary in Dutch.

Thesis (doctoral)--Rijksuniversiteit te Leiden, 1970.

Includes bibliographical references.