@booklet {4913, title = {GOLD, D.P. 1972. The Monteregian Hills: ultra-alkaline rocks and the Oka carbonatite complex. 24th International Geological Congress, Excursion Guide, B-11: 1-47.}, year = {1972}, note = {GOLD, D.P. 1972. The Monteregian Hills: ultra-alkaline rocks and the Oka carbonatite complex. 24th International Geological Congress, Excursion Guide, B-11: 1-47.} }