GENETIC DETERMINANTS OF O-ANTIGENS OF SEROLOGICALLY-TYPED ESCHERICHIA-COLI Article SHCHIPKOVA N.I., PEKHOV A.P., SHCHIPKOV V.P. Zhurnal Mikrobiologii Epidemiologii i Immunobiologii. 1975. P. 33-36
NEW VARIANT OF SEXUAL FACTOR F IN ESCHERICHIA-COLI Article PEKHOV A.P., SHCHIPKOV V.P., BUYANOVA N.I. Doklady Akademii nauk SSSR. Mezhdunarodnaya Kniga, Moscow, Russian Federation. Vol. 220. 1975. P. 711-714
DETECTION AND CHARACTERISTICS OF CONJUGATION FACTORS OF SEROLOGICALLY TYPED STRAINS OF ESCHERICHIA COLI Article Buyanova N.I., Shchipkov V.P., Pekhov A.P. Bulletin of Experimental Biology and Medicine. New York Consultants BureauSpringer / Автономная некоммерческая организация Издательство Российской академии медицинских наук. Vol. 76. 1973. P. 1104-1106