Singh, L. A. K. (1999). Tracking tigers: Guidelines for estimating wild tiger populations using the pugmark technology. Tiger conservation program.
Παραπομπή Chicago StyleSingh, L. A. K. Tracking Tigers: Guidelines for Estimating Wild Tiger Populations Using the Pugmark Technology. New Delhi: Tiger conservation program, 1999.
Παραπομπή MLASingh, L. A. K. Tracking Tigers: Guidelines for Estimating Wild Tiger Populations Using the Pugmark Technology. Tiger conservation program, 1999.
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