8 Lectures on quantum groups and q-special functions
8-Vertex Correlation Functions and Twist Covariance of q-KZ Equation
83 years of general relativity and cosmology: progress and problems
84 UMa ubvy photometry (Wade+ 1998)
87 Sr/ 86 Sr in Precambrian carbonates as an index of crustal evolution
87 Sr/ 86 Sr ratios in modern and fossil food-webs of the Sterkfontein Valley: implications for early hominid habitat preference