=LDR 00000nam a2200000ui 4500 =001 4232 =008 250530s1971\\\\xx\|||||||||||||||||eng\d =082 04$a307.760951 WHE =100 1\$aWheatley, Paul =245 10$aThe pivot of the four quarters =260 \\$aEdinburgh :$bEdinburgh University Press,$c1971 =852 \\$bFreeman Library$cBooks$h307.760951 WHE