L Barbara Brown & Stanley B Brown. (1972). Realm of science. V.21: Scienthesis: science concept index and cumulative index for volume 1-20. Kentucky.
Chicago Edition CitationL Barbara Brown and Stanley B Brown. Realm of Science. V.21: Scienthesis: Science Concept Index and Cumulative Index for Volume 1-20. Kentucky, 1972.
MLA Edition CitationL Barbara Brown and Stanley B Brown. Realm of Science. V.21: Scienthesis: Science Concept Index and Cumulative Index for Volume 1-20. Kentucky, 1972.
Warning: These citations may not always be 100% accurate.