000 00275nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a625.72 P594
100 _aPICKELS,G.W
245 0 _aROUTE SURVEYING
260 _bWILEY, NEW YORK
_c1960
300 _a18X11
942 _cBK
999 _c62156
_d62156