Christensen, Halvor N. <br/><br/>
pH and dissociation  a learning program for students of the biological and medical sciences 
[by] Halvor N. Christensen. 
 - 2d ed. 
 - Philadelphia  Saunders  1964. 
 - ix, 107 p.  illus.  26 cm. 
<br/><br/><label>LCCN: </label>64023787 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrogen-ion concentration<br/>Dissociation
<br/><br/><label>LC Class. No.: </label>QD561  / .C393 1964 
<br/><br/><label>Dewey Class. No.: </label>541.372