A mathematical method of describing electrocardiograms L. G. MalinovskiiI. Sh. PinskerB. M. Tsukerman OriginalPaper Pages: 247 - 250
Some design problems of ultrasonic transducers A. I. DrozhzhinA. A. TyuminV. A. Vasil'ev OriginalPaper Pages: 251 - 255
Interference suppression in differential transistor amplifiers having unbalances G. V. Il'inskii OriginalPaper Pages: 256 - 258
Polarographic method of determining oxygen in tissues I. M. EpshteinI. P. Berezin OriginalPaper Pages: 259 - 263
Calculations for a direct-action pneumatic recording apparatus with pressure transmitter O. P. Mitrofanov OriginalPaper Pages: 271 - 276
Standardization of shaking apparatus and their designations R. M. Petrovskaya OriginalPaper Pages: 281 - 283
Apparatus for mammary gland radiography I. A. GolubchinN. N. BrazhnikovI. P. Maktaz Information Pages: 292 - 293
Some aspects of spectacle production in the Czechoslovakian SSR L. I. AizenshtatL. M. Rattur From Abroad Pages: 301 - 305