LONDON.- The three top works of Impressionist and Modern art from the storied Collection of Elizabeth Taylor fetched a combined £13,787,750 ($21,784,645 /16,572,876) at Christies London Tuesday evening, more than doubling their pre-sale low estimate of £6.2 million. An additional 35 works from the film stars fine art collection will be offered for sale February 8 as part of Christies continuing sales series devoted to Impressionist and Modern Art. Further results for the Impressionist and Modern Art Evening Sale will be announced at the close of the sale. At Tuesdays sale, Miss Taylors Van Gogh, entitled Vue de lasile et de la Chappelle de Saint-Rémy, fetched the top price of the group at £10,121,250 ($15,991,575 /12,165,743). The luminous landscape, painted in the turquoise and ochre hues of early autumn, is a view of the asylum where the artist spent his last months. Elizab