HYGIENIC AND ECOLOGICAL PROBLEMS OF NORTH EXPLORATION

[11] NOVOZHILOV PN, 1987, FIGIENICHESKAYA OTSE, P25

[12] TSITSKOVA AP, 1983, GIG SANIT, P4

[13] YAGYA NS, 1984, CHELOVEK OKHRANA EGO

[14] YAKIMENKO M A, 1984, Gigiena i Sanitariya, P7

[15] ZHIKHAREVA A I, 1987, Gigiena i Sanitariya, P17

[16] 1980, GIGIENICHESKIE ASPEK

[17] 1977, PROBLEMY RASSELENIYA, P6

[11] NOVOZHILOV PN, 1987, FIGIENICHESKAYA OTSE, P25

[12] TSITSKOVA AP, 1983, GIG SANIT, P4

[13] YAGYA NS, 1984, CHELOVEK OKHRANA EGO

[14] YAKIMENKO M A, 1984, Gigiena i Sanitariya, P7

[15] ZHIKHAREVA A I, 1987, Gigiena i Sanitariya, P17

[16] 1980, GIGIENICHESKIE ASPEK

[17] 1977, PROBLEMY RASSELENIYA, P6