TY - BOOK T1 - The twentieth-century historic thematic framework : a tool for assessing heritage places A1 - Marsden, Susan, 1952- A1 - Spearritt, Peter LA - English PP - Los Angeles PB - : Getty Conservation Institute YR - 2021 UL - https://tuklas.up.edu.ph/Record/UP-1685675941131423159 OP - 210 NO - Includes bibliographical references (pages 198-210). CN - CC 135 M37 2021 SN - 9781937433833 (pbk) KW - Historic sites : Evaluation. ER -