Chawla, Parvinder. Detective DNA / CSIR Golden Jubilee Series; by Parvinder Chawla. - New Delhi: National Institute of Science Communication, Reprint 2016. - 132 pages : illustrations (some color) ; 22 cm. National Institute of Science Communication (CSIR) : New Delhi ISBN: 8172361750 9788172361754 Dewey Class. No.: 576.5 / CHD