id: 50329821 dt: j an: 50329821 au: Dey, Sandipan; Abraham, Ajith; Bandyopadhyay, Bijoy; Sanyal, Sugata ti: Hiding techniques using prime and natural numbers so: JDIM 6, No. 6, 463-489 (2008). py: 2008 pu: la: EN cc: ut: ci: li: