(52) De Angelis, Ruggero. 1952a. 



Difesa ed incremento della pesca e dell^ plsclcultura 

 nelle lagune costiere (The protection and development of 

 fishing and fish culture in the coastal lagoons). Boll. 

 Pesca, anno 28 (n.s. anno 7), No. 3^ May-June 1952, pp. 

 4-5. FWS - 7 pp. by U. S. Dept. State, division of 

 Language Service. 



(53) De Angelis, Ruggero. 1952b. 



Lagune, valli e boniface (Lagoons, "valli" and 



reclamation). Ibid ., No. k, July-Aug., 1952, pp. k-T. 



FWS - lil- pp. by U. S. Dept. State, Division of Language 



Service . 

 {^k) De Angelis, Ruggero. 1955. 



L' incremento della pesca nella Laguna di Varano 



(improvement of fishing in the Varano Lagoon). Ibid . , 



anno 31 (n.s. anno 10), No. 3, May-June, 1955, PP' 5-8. 



FWS - 11 pp. by U. S. Dept. State, Division of Language 



Service. 

 (55) Derjugin, K. 1928. 



Bacteria as a factor in the gas content (in Russian). 



In Romer, Fritz, and Schaudinn, Fauna Arctica, vol. 5> 



No. 2, pp. 519-520. FOL. 



14 



