TY - JOUR ID - 20749 TI - سرمقاله JO - مجله ی مهندسی عمران شریف JA - J30 LA - fa SN - 2676-4768 Y1 - 1995 PY - 1995 VL - دوره 11 IS - 11 SP - 2 EP - 2 KW - - DO - N2 - - UR - https://sjce.journals.sharif.edu/article_20749.html L1 - https://sjce.journals.sharif.edu/article_20749_7a0b3ea5a660c1eacdc54343eb9087df.pdf ER -