000 00350nam a2200121Ia 4500
008 220201s1960 xx 000 0 eng d
041 _aENG
100 _aMILLS, GEOFFREY
245 0 _aPROCEDINGS OF THE UNITED NATIONS SEMIAR ON AEEIAL SRUVEING METHODS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1960
300 _a167
942 _2ddc
999 _c39001
_d39001