(NsULXFIDY (B/s - (NsAMSONOW(B, (NgRIGORIJ wALENTINOWI^s; (NdROZDOWA(B, (NsWETLANA wALENTINOWNAs ((NmOSKWA (B:s (NmETALLURGIZDAT(B,s, 1972)
Keywords: (NhIMI^ESKAQ TEHNOLOGIQs; (NsULXFIDYs