00329cam a2200133ua 4500020001800000041001000018082002100028100002100049245006300070250001200133260003300145300001200178504000500190  a0-7121-3478-X  aengh  a624.1517bSHE/EN  aShepherd, F A  .  aEngineering surveying / cF A Shepherd.hTextual Documents  a2 / b.  a : bEdward Arnold , c1983.  a370 ; .  a