SCANT PUBLICATIONS. “Despite a high public profile for nearly 60 years, the field is still small and many of the search strategies identified in the 1960’s remain essentially unexplored, to say nothing of the many more recently identified avenues. Indeed, an ADS bibliography of all work in the field contains fewer than 2,000 entries, only 66 of which have more than 20 citations—the h-index of the field as a whole is 33.”
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