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- [5] RECENT DEVELOPMENTS IN CHROMIUM AND CHROMIUM ALLOYS [J]. JOURNAL OF METALS, 1969, 21 (11): : 23 - &
- [8] DEVELOPMENTS IN EASTERN CANADA IN 1979 [J]. AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1980, 64 (09): : 1518 - 1528
- [10] DEVELOPMENTS IN SOUTH TEXAS IN 1979 [J]. AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1980, 64 (09): : 1476 - 1483