01031cam a22003011a 4500 8456961 OSt 20220309162022.0 850510s1960 un a b 000 0 rus 64059077 (OCoLC)12017795 DLC HU DLC premarc S593 .K79 S593.K6 J500 631.4 RAI 1977 Kovalev, P. V. (Pavel Vasilʹevich) 32493 Laboratory studies based on the principles of soil science. Laboratornye zani︠a︡tii︠a︡ po osnovam pochvovedenii︠a︡ / P.V. Kovalev, E.M. Serbinova ; [otvetstvennyĭ redaktor V.N. Boboshko]. Kharʹkov : Izd-vo Kharʹkovskogo gosuniversiteta, 1960. 84, [2] p. : ill. ; 22 cm. Bibliography: p. [86]. Serbinova, E. M. (Elena Mikhaĭlovna) 32494 Boboshko, V. N. 32495 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BOOKS 0 32439 32439