00583nam a2200181Ia 4500003000900000008004100009040001600050080002200066110004000088245008100128250001300209260005000222300001500272490005100287650002500338650001900363650001900382IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a535.417(063)bNAT  aIndia. National Physical Laboratory 0aInterferometrycNational physical laboratory                                  a11th ed.  aLondonbHer Majesty's Stationary Officec1960  avii, 471p.  aNational physical laboratory simposium; no. 11  aDifrraction patterns  aInterferometry  aNASA thesaurus