Tompa, A S <br/><br/>
Embryonic use of egg shell calcium in a gastropod.  [electronic resource] 

 -  Nature  May 1975 
 - 232-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/255232a0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Calcification, Physiologic<br/>Calcium--analysis<br/>Calcium Radioisotopes<br/>Egg Shell--analysis<br/>Embryo, Nonmammalian--analysis<br/>Mollusca--embryology