Kemmeter Wines 2012 “Sheldrake Point Vineyard” Riesling ($24) is a classy, expertly balanced riesling from what will likely go down as a classic riesling vintage in the Finger Lakes — one that shows ripeness and intensity without the flabby softness of some other warmer seasons. Mixed  citrus — tangering, lemon and lime — aromas are layered with notes of pear, green apple, papaya and wet river stones on an expressive-but-restrained nose. Medium bodied with subtle sweetness that is balanced by juicy acidity, the palate shows intricate citrus and pomme fruit flavors that match the nose. There is a precision and…