3 public-domain matches

Double Helix

Cover of RNA, the Epicenter of Genetic Information

RNA, the Epicenter of Genetic Information

John Mattick, Paulo Amaral

Cover of Injection of a plasma into a closed magnetic trap with a double-helix field

Injection of a plasma into a closed magnetic trap with a double-helix field

G. M. Batanov, G. I. Fedyanin, S. YE. Grebenshchikov, M. A. Ivanovskiy, I. S. Sbitnikova, Shpigel, I. S., et al

Illustrated Index of British Shells

Illustrated Index of British Shells

George Brettingham Sowerby II