a Yadav, P.R.
\a Environmental Biology \h [Text] \c by P.R. Yadav and Shubhrata R. Mishra - \a New Delhi: \b Discovery Publishing House, \c 2004 - \a 302p.: \b ill.
\a 9788171417568
\a QH 545.A1 Yad / \b 513027
\a Environmental Biology \h [Text] \c by P.R. Yadav and Shubhrata R. Mishra - \a New Delhi: \b Discovery Publishing House, \c 2004 - \a 302p.: \b ill.
\a 9788171417568
\a QH 545.A1 Yad / \b 513027