Naumov, Donat Vladimirovich. <br/><br/>
Hydroids and hydromedusae of the USSR 
D. V. Naumov ; chief editor : E. N. Pavlovskii ; editorial boards: B. E. Bykhovskii ... [et al.]. 
 - Jerusalem :  Israel Program for Scientific Translations,  1969. 
 - v, 660 p. :  ill. ;  24 cm. 
<br/><br/> At head of title : Academy of Sciences of the Union of Soviet Socialist Republics. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrozoa.<br/>Hydromedusae.<br/>Coelenterata--Soviet Union.