000 00317nam a2200133Ia 4500
008 221001s1968 xx 000 0 eng d
020 _a204687918
082 _a912 WIL
100 _aWilliams, L. H.
245 0 _aIntroduction to mapwork
260 _aLondon
_bAllman
_c1968
300 _avii, 72p.
942 _2ddc
_cBK
999 _c11430
_d11430