Kovalev, P. V. <br/><br/>
Laboratornye zani︠a︡tii︠a︡ po osnovam pochvovedenii︠a︡ / 
= Laboratory studies based on the principles of soil science. 
P.V. Kovalev, E.M. Serbinova ; [otvetstvennyĭ redaktor V.N. Boboshko]. 

 - Kharʹkov :  Izd-vo Kharʹkovskogo gosuniversiteta,  1960. 
 - 84, [2] p. :  ill. ;  22 cm. 
<br/><br/>Bibliography: p. [86]. 
<br/><br/><label>LCCN: </label>64059077  
<br/><br/><label>LC Class. No.: </label>S593  / .K79 
<br/><br/><label>Dewey Class. No.: </label>631.4 RAI 1977 
<br/><br/><label>National Agricultural Library Call No.: </label>S593.K6