A double image of the double helix : the recombinant-DNA debate / Clifford Grobstein. Grobstein, Clifford, 1916-1998. Recombinant DNA Social aspects. QH442 .G77 574.8732 GRD Includes index. Bibliography: p. 172. San Francisco : W. H. Freeman, c1979. c1979. 1979 Text xi, 177 p. : eng A Series of books in biology