Spiral molecular structures the basis of life Krafft, Carl F. (Carl Frederick), 1892- creator text book [Washington, D.C.] C.F. Kraft c1927 1927
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ENG Mimeographed. Presentation letter inserted. Biochemistry Life (Biology) https://www.biodiversitylibrary.org/bibliography/4853 16159278 10.5962/bhl.title.4853 CUY