00283nam a2200073Ia 4500008004100000082002100041245009300062260005400155220204s9999    xx            000 0 und d  aNR:62:006.3bBIS 0aBIS Catalogue1997: Bureau of Indian standards;Handbook 1996 : Bureau of Indian standards  aNew DelhibBureau of Indian Standards (BIS)c1996