Global environmental problems Vol.3 /
Tripathi, A K ed.
Global environmental problems Vol.3 / edited by A K Tripathi - New Delhi : Ashish Publishing House, 1993. - 275p. : - Protect Global Earth Series .
8170245230
Specific factors affecting ecology
577.2 TRI-G.3
Global environmental problems Vol.3 / edited by A K Tripathi - New Delhi : Ashish Publishing House, 1993. - 275p. : - Protect Global Earth Series .
8170245230
Specific factors affecting ecology
577.2 TRI-G.3