00291nam a2200085Ia 4500008004100000040003800041100001600079245008100095260002900176211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aIndia Govt. 0aProceedings of the Eleventh symposium on cosmic Rays V. 2 Contributed papers  bIndia Govt.aDelhic1969