TY  - JOUR
TI  - Landscapes over time
AU  - Michael Van Valkenburgh
T2  - Landscape Architecture Magazine
DA  - 2013/03//
PY  - 2013
VL  - 103
IS  - 3
SP  - 106
EP  - 108
UR  - https://www.jstor.org/stable/44794888
KW  - Landscape architecture
ER  -