00338nam a2200109Ia 450000500170000000800410001708200190005810000170007724500380009426000610013265000350019320260827111533.0250718s9999||||xx |||||||||||||| ||und|| 223a500.1 BRO aBrown, W.N.  0aMan in the Universe /cW.N. Brown aLondon, Cambridge : bCambridge University Press,c1966. aNatural sciences & mathematics