TY  - JOUR
AU  - K. Ya. Kondrat'ev
AU  - C. Varotsos
TI  - Ozone depletion over St. Petersburg region as deduced from Nimbus-7 TOMS observations
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 622
EP  - 624
VL  - 331
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_331_5_a16/
LA  - ru
ID  - DAN_1993_331_5_a16
ER  -