TY - BOOK AU - Johnson,A.I. AU - Pettersson,C.B. AU - Fulton,J.L. ED - American Society for Testing and Materials. ED - International Symposium on Mapping and Geographic Information Systems TI - Geographic information systems (GIS) and mapping: practices and standards SN - 0803114710 PY - 1992/// CY - Philadelphia, Pennslyvania PB - ASTM KW - Geographic information systems KW - Standards N1 - Includes index ER -