00321nam a2200145Ia 4500008004100000082000800041082000800049100002500057245003000082260001400112260001800126260000900144300000800153650001400161230706s9999    xx            000 0 und d  a910  bSUR  aSURYAVANSHI(Dr.D.S.) 0aGeographical epidemiology  aNew Delhi  bRaj Pub.House  c2005  a226  aGeography