Book  (2021)  Page(s) 35.  Includes photo(s).
 
Double Helix

Article (magazine)  (2014)  Page(s) 76.  
 
It was the fragrance of the rose that endeared it to the ancients. Many of the Indian roses have also been developed keeping in mind this important attribute....Double Helix [from] (N.V. Shastri)...

Magazine  (Jul 2005)  Page(s) 36.  
 
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'Double Helix', HT, pb, 2005 ... description