166 B. V. KOTLIAREVSKII 



4. N.P. Grushinski, Establishing a rational density of points and the required accuracy 



in determining the anomalies of the force of gravity in gravimetric surveys. Survey 

 and Industrial Geophysics, No. 15. Gostoptekhizdat, (1956). 



5. P. I. LuKAVCHENKO, Determining the density of a survey network in gravimetric 



and magnetic survey. Survey and Industrial Geophysics, No. 4, Gostoptekhizdat, (1952). 



6. A. K. Malovichko, The density and form of the network in an area survey with 



gravimetry. Survey and Industrial Geophysics, No. 15. Gostoptekhizdat, (1957). 



7. N. N. PuzYREV, The connection between the density of the observation network and 



the cross-section of the geophysical maps. Applied Geophysics, No. 18. Gostoptek- 

 hizdat, (1957). 



