Christensen, Micheal Thomas <br/><br/>
A comparison of social behavior between the rice rat (Oryzomys palustris) and the cotton rat (Sigmodon hispidus)  [microform] / 
by Micheal T. Christensen 
 - Ann Arbor, Mich. :  University Microfilms International,  1980 
 - 1 microfiche ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-Mississippi State University, 1980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oryzomys<br/>Hispid cotton rat<br/>Social behavior in animals<br/>Rats--Behavior