00410nam a2200145Ia 450000500170000000800460001703700120006304000200007504100130009508400220010824500840013024500320021426000090024630000090025520250508160227.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a551.51, AHMqFEDL 0aProceedings of the third international symposium on equatorial aeronomy, V 1- A 0cAhmedabad (Ahmedabad India)  c1969  a253p