International Conference on Permafrost (3d 1978 Edmonton, Alta.)

• Proceedings of the Third International Conference on Permafrost, July 10-13, 1978, Edmonton, Alberta, Canada
• Proceedings of the third international conference on permafrost = Compte rendu de la troisième conférence internationale sur le pergélisol = Trudy tret'ei Mezhdunarodnoi konferentsii po merzlotovedeniiu