00660nam a22001697a 4500008004100000040005500041080001600096245010000112260003700212300001600249650001200265653001500277700003100292942001300323999001700336952013700353230425b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a52(047)bK5  aReports on astronomy: bTransactions of the international astronomical union vol. XIIA- reports  aLondon: bAcademic Press, c1965  avii, 809p.   aScience  aAstronomy 10aPecker, Jean-Claude (Ed.)   2udccREP  c23052d23052  00102udc40652047_K570933723aNSLbNSLcGF/Rk-5/C-24/R-6d1967-05-31l0o52(047) K5p20370r2023-04-25 00:00:00w1967-05-31yREP