1. Paper SPE 6844 presented at the 52nd Fall Meeting of SPE-AIME;Wade,1977
2. Paper SPE 7054 presented at the 5th SPE Symposium on Improved Oil Recovery;Salager,1978
3. Paper SPE 6594 presented at SPE-AIME Symposium on Oil-field and Geothermal Chemistry;Hsieh,1977