TY JOUR TI Application of electrical tomography technique for landslide investigation: Case of the Kef Essenoun phosphate deposit, Djebel Onk (Northeastern Algeria) KW JO Russian Journal of Earth Sciences AU Salah, S.. AU Ismail, N.. AU Mohamed Cherif, D.. PY 2023 IS 23 PB Геофизический центр Российской Академии Наук