00896cam a22002651a 45000010008000000030004000080050017000120080041000290100017000700350020000870400017001070420012001240500015001360700012001510720009001630820019001721000041001912420064002322450147002962600063004433000033005065040027005397000044005667000020006108456961OSt20220309162022.0850510s1960    un a     b    000 0 rus    a   64059077   a(OCoLC)12017795  aDLCcHUdDLC  apremarc00aS593b.K790 aS593.K60 aJ500  a631.4 RAI 19771 aKovalev, P. V.q(Pavel Vasilʹevich)00aLaboratory studies based on the principles of soil science.10aLaboratornye zani︠a︡tii︠a︡ po osnovam pochvovedenii︠a︡ /cP.V. Kovalev, E.M. Serbinova ; [otvetstvennyĭ redaktor V.N. Boboshko].  aKharʹkov :bIzd-vo Kharʹkovskogo gosuniversiteta,c1960.  a84, [2] p. :bill. ;c22 cm.  aBibliography: p. [86].1 aSerbinova, E. M.q(Elena Mikhaĭlovna)1 aBoboshko, V. N.