00502nam a2200169Ia 450000500170000000800410001702000060005808200130006410000170007724500430009426000330013730000130017050000430018394200060022695200850023299900150031720250123013042.0240331s9999    xx            000 0 und d  a   2PERa920  aDesilva, E.P 2aA short Biography of Dr. N. M. Perera   aColombobE.P. de Silvac1975  a131 p .,  aA Short Biography of  Dr. N. M. Perera  cL  001040708LaWERCLbWERCLcSSCd2024-03-31l0p6719r2024-03-31w2024-03-31yL  c5731d5731