00318nam a2200097Ia 4500008004100000082002300041100003100064245008800095260002900183300000800212140113s9999    xx            000 0 und d  a63:577.1(540)   N9  a"Velayutham, M., et al�"  aAgro-ecological subregions of India for Planning development. NBSS Publ. No.35+ Map  a1999bNBSS & LUPcNagpur  a372