Pretorius, Saral Jacob. <br/><br/>
Some aspects of the morphology of Lymnaea natalensis Krauss (Mollusca: Basommatophora) 
[by] S.J. Pretorius and J.A. van Eeden. 
 - [Potchefstroom, Transvaal]  Potchefstroom University for C.H.E.,  1969. 
 - 111 p.  illus.  21 cm. 
 - Wetenskaplike bydraes van die p.u. vir C.H.O. Reeks B: Natuurwetenskappe,  nr. 6(1969) .
<br/><br/><label>LCCN: </label>82461942  
<br/><br/><label>Nat. Bib. No.: </label>SANB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lymnaea--Classification.<br/>Lymnaea--Morphology.<br/>Mollusks--Classification.<br/>Mollusks--Morphology.
<br/><br/><label>LC Class. No.: </label>QH9  QL430.5.L55  / .P6 nr. 6 (1969) 
<br/><br/><label>Dewey Class. No.: </label>574 s  594.38