CONTENT AND COMPOSITION OF HUMUS IN THE ARID ALLUVIAL SOILS OF PERU Статья CALDERON J.U. Soviet Soil Science. Том 14. 1982. С. 47-53
A SYNDROME OF TROPICAL SPLENOMEGALY Статья ALPIDOVSKY V.K. Terapevticheskii Arkhiv. Том 54. 1982. С. 150-152