00681nam a2200205Ia 4500008004100000040001700041082002200058100001700080110005000097245004000147260005100187300001000238440002400248650003700272700002000309700001500329942000800344999001700352952010600369190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta508.3bU58R  aRyle, Martin  aUnited Kingdom. Central Office of Information 0aResearch and discoverycMartin Ryle  aLondonbHer Majety's Stationary Officec[19-?]  a103p.  aModern world series  aResearch; Discoveries in Science  aBragg, Lawrence  aSayce, L A  cBKS  c62398d62398  00102DDC4070aNITILbNITILd2019-04-04l0o508.3 U58Rp36843r2019-04-04 00:00:00w2019-04-04yBKS