Изготовление электронных копий любых изданий

Abstracts Intern. symp. on the ovaryian cancer, Aug. 28-29, 1986, Debrecen, Hungary. Post - congr. symp. joined to the 14th Intern. cancer congr., Budapest, Hungary ; Hung. oncological soc. a. Debrecen regional comm. of the Hung. acad. of sciences