ERRORS IN DIAGNOSING IMPORTED MALARIA Article LOBAN K.M., POLOZOK E.S. Sovetskaya Meditsina. 1978. P. 59-61
GENERAL PATTERNS OF THE RATIO AND DISTRIBUTION OF FORMS OF IRON IN MAJOR GENETIC SOIL GROUPS Article KARAMANOVA L.A. Soviet Soil Science. Vol. 10. 1978. P. 446-458