00340nam a22001217a 4500082001500000100002100015245003400036260004400070300002200114526003700136526003700173650000800210  a526.9bTHO  aW. Norman Thomas  aSurveying cThomas, W. Norman  bThe english language book societyc1961  aviii, 643p.bill.  a0b0c0d526_900000000000000_THO  a0b0c0d526_900000000000000_THO  aMCE