SUR LA FORMALISATION DE CERTAINS CONCEPTS DES MILIEUX GEOLOGIQUES HETEROGENESPETKEVICH GI.1975; GEOFIZ. SBOR., U.S.S.R.; S.S.S.R.; DA. 1975; NO 66; PP. 19-28; ABS. ANGL.; BIBL. 21 REF.Article

ON A TECHNIQUE OF ELASTIC WAVE VELOCITY DETERMINATIONS IN A SECTION BY MEANS OF ACOUSTIC LOGGING.PETKEVICH GI.1968; AKAD. NAUK UKR. S.S.R., GEOFIZ. SB; SUN; 1968, NUM. 0023, P. 97 A 104Miscellaneous

ETUDE DE LA POROSITE DES ROCHES-MAGASINS DES FORMATIONS DU CARBONIFERE DE LA DEPRESSION DU DNIEPR-DONETSPETKEVICH GI; SHEREMETA OV.1978; GEOL. GEOKHIM. GORJUCH. ISKOPAEM.; SUN; DA. 1978; NO 51; PP. 72-75; BIBL. 7 REF.; 1 ILL.Article

POSSIBILITIES AND PROSPECTS OF ACOUSTIC LOGGING IN THE FORELANDS OF THE CARPATHIANS.PETKEVICH GI; VERBICKIJ TZ.1969; AKAD. NAUK UKR. S.S.R., GEOFIZ. SB; SUN; 1969, VOL. 13, NUM. 0029, P. 70 A 78Miscellaneous

PHOTOELECTRIC EFFECT IN WALSLIZUN SA; PETKEVICH GI; SIZONENKO VS et al.1980; KHIM. TVERD. TOPL.; SUN; DA. 1980; NO 2; PP. 12-15; BIBL. 5 REF.Article

ETUDES AU LABORATOIRE D'ECHANTILLONS DE GRES DE LA DEPRESSION DU DNIEPR-DONETZ SOUS L'ACTION DE CONTRAINTES EFFECTIVESVERBITSKIJ TZ; SHEREMETA OV; PETKEVICH GI et al.1973; GEOFIZ. SBOR., U.S.S.R.,; S.S.S.R.; DA. 1973; NO 51; PP. 42-48; ABS. ANGL.; BIBL. 15REF.Serial Issue