Gehatia, M.; Feingold, D. S. (). „The structure and properties of levan, a polymer of D‐fructose produced by cultures and cell‐free extracts of aerobacter levanicum”. Journal of Polymer Science. 23 (104): 783–790. Bibcode:1957JPoSc..23..783F. doi:10.1002/pol.1957.1202310421. ISSN1542-6238.
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Gehatia, M.; Feingold, D. S. (). „The structure and properties of levan, a polymer of D‐fructose produced by cultures and cell‐free extracts of aerobacter levanicum”. Journal of Polymer Science. 23 (104): 783–790. Bibcode:1957JPoSc..23..783F. doi:10.1002/pol.1957.1202310421. ISSN1542-6238.
Gehatia, M.; Feingold, D. S. (). „The structure and properties of levan, a polymer of D‐fructose produced by cultures and cell‐free extracts of aerobacter levanicum”. Journal of Polymer Science. 23 (104): 783–790. Bibcode:1957JPoSc..23..783F. doi:10.1002/pol.1957.1202310421. ISSN1542-6238.