=LDR 22 4500 =001 6140 =082 04$a910.022 MON =100 1\$aMonkhouse, F. J. =245 10$aPrinciples of Physical Geography =260 \\$aAylesbury :$bUniversity of London Press Ltd.,$c1954 =650 \0$aBooks =852 \\$h910.022 MON