1. Stratigraphy and sedimentation of the Brexa Group;Acharya;Himalayan Geol.,1974
2. New data on correlation of the Little Dal Formation and a revision of map unit “H5”;Aitken;Geol. Surv. Can., Pap. 77-1A,1977
3. Progress in Helikian stratigraphy, graphy, Mackenzie Mountains;Aitken;Geol. Surv. Can., Pap. 78-1A,1978
4. Correlation of Helikian Strata, Mackenzie Mountains—Brock inlier—Victoria Island;Aitken;Geol. Surv. Can., Pap. 78-1A,1978
5. General scheme for the stratigraphy of the upper Precambrian of the Russian Platform;Aksenov;Akad. Nauk. S.S.S.R., Izv., Ser. Geol.,1978