TY - BOOK ID - 128381923 TI - Mapping for field scientists : a problem-solving approach AU - Ritchie, William AU - Tait, D. A. AU - Wood, Michael PY - 1977 PB - Newton Abbot : David and Charles, DB - UniCat KW - Surveying. KW - Surveys KW - Topographical drawing. KW - Aerial photogrammetry. KW - Plotting. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128381923 AB - ER -