Preheat oven to 350°F.
Stir together graham cracker crumbs, sugar, and butter in a bowl with a fork until combined well, then press mixture evenly onto bottom and up side of a 9-inch (4-cup) glass pie plate.
Bake crust in middle of oven 10 minutes and cool in pie plate on a rack. Leave oven on.
Make filling and bake pie:
Whisk together condensed milk and yolks in a bowl until combined well. Add juice and whisk until combined well ( mixture will thicken slightly).
Pour filling into crust and bake in middle of oven 15 minutes. Cool pie completely on rack (filling will set as it cools), then chill, covered, at least 8 hours.
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