Pohl, W. F.; Roberts, George W. (October 1978). "Topological consideration in the theory of replication of DNA". Journal of Mathematical Biology. 6 (4): 383–402. doi:10.1007/BF02463003. PMID750633. S2CID29082243.
Pohl, W. F. (March 1980). "DNA and differential geometry". The Mathematical Intelligencer. 3 (1): 20–27. doi:10.1007/BF03023391. S2CID119798941.
Pohl, W. F.; Roberts, George W. (October 1978). "Topological consideration in the theory of replication of DNA". Journal of Mathematical Biology. 6 (4): 383–402. doi:10.1007/BF02463003. PMID750633. S2CID29082243.
Pohl, W. F.; Roberts, George W. (October 1978). "Topological consideration in the theory of replication of DNA". Journal of Mathematical Biology. 6 (4): 383–402. doi:10.1007/BF02463003. PMID750633. S2CID29082243.
Pohl, W. F. (March 1980). "DNA and differential geometry". The Mathematical Intelligencer. 3 (1): 20–27. doi:10.1007/BF03023391. S2CID119798941.