=LDR 22 4500 =001 4860 =082 04$a551.7 BRI =100 1\$aBridgland, D. R. =245 10$aThe rudaceous components of the gravels of eastern Esses: their characteristics and provenance =260 \\$bCity of London Polytechnic,$c1986 =650 \0$aPamphlets =852 \\$bFreeman Library$h551.7 BRI$zNot located