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About the Cover
February 01, 1930; vol. 16 no. 2
Physics
- You have accessOn the Experimental Evidence of the Mosaic Structure of Bi-Single CrystalsAlexander Goetz
Genetics
- You have accessThe First Two Cases of Crossing-Over between Old-Gold and Bullata Factors in the Third Linkage Group of OenotheraGeorge H. Shull
ZoÃlogy
Astronomy
Chemistry
- You have accessThe Decomposition of Nitrogen Pentoxide at Low PressuresHans-Joachim Schumacher and Gerhard Sprenger
Mathematics
- You have accessDetermination of Some Properly Irregular Cyclotomic FieldsElizabeth T. Stafford and H. S. Vandiver
- You have accessThe Differential Geometry of a Continuous Infinitude of Contravariant functional VectorsAristotle D. Michal