<?xml version="1.0" encoding="utf-8"?> <letsmt version="1.0"> <head></head> <body> <s id="1"> <w id="w1.1">A.</w> <w id="w1.2">Blackburn</w> <w id="w1.3">(</w> <w id="w1.4">2009</w> <w id="w1.5">)</w> <w id="w1.6">.</w> </s> <s id="2"> <w id="w2.1">*</w> <w id="w2.2">Michael</w> <w id="w2.3">R.</w> <w id="w2.4">Matthews</w> <w id="w2.5">,</w> <w id="w2.6">Arthur</w> <w id="w2.7">Stinner</w> <w id="w2.8">,</w> <w id="w2.9">Colin</w> <w id="w2.10">F.</w> <w id="w2.11">Gauld</w> <w id="w2.12">(</w> <w id="w2.13">2005</w> <w id="w2.14">)</w> <w id="w2.15">"</w> <w id="w2.16">The</w> <w id="w2.17">Pendulum</w> <w id="w2.18">:</w> <w id="w2.19">Scientific</w> <w id="w2.20">,</w> <w id="w2.21">Historical</w> <w id="w2.22">,</w> <w id="w2.23">Philosophical</w> <w id="w2.24">and</w> <w id="w2.25">Educational</w> <w id="w2.26">Perspectives</w> <w id="w2.27">"</w> <w id="w2.28">,</w> <w id="w2.29">Springer</w> <w id="w2.30">*</w> <w id="w2.31">Michael</w> <w id="w2.32">R.</w> <w id="w2.33">Matthews</w> <w id="w2.34">,</w> <w id="w2.35">Colin</w> <w id="w2.36">Gauld</w> <w id="w2.37">and</w> <w id="w2.38">Arthur</w> <w id="w2.39">Stinner</w> <w id="w2.40">(</w> <w id="w2.41">2005</w> <w id="w2.42">)</w> <w id="w2.43">The</w> <w id="w2.44">Pendulum</w> <w id="w2.45">:</w> <w id="w2.46">Its</w> <w id="w2.47">Place</w> <w id="w2.48">in</w> <w id="w2.49">Science</w> <w id="w2.50">,</w> <w id="w2.51">Culture</w> <w id="w2.52">and</w> <w id="w2.53">Pedagogy</w> <w id="w2.54">.</w> </s> <s id="3"> <w id="w3.1">Nó</w> <w id="w3.2">còn</w> <w id="w3.3">được</w> <w id="w3.4">biết</w> <w id="w3.5">với</w> <w id="w3.6">tên</w> <w id="w3.7">Namsan</w> <w id="w3.8">Tower</w> <w id="w3.9">hoặc</w> <w id="w3.10">Seoul</w> <w id="w3.11">Tower</w> <w id="w3.12">.</w> </s> <s id="4"> <w id="w4.1">*</w> <w id="w4.2">Macgowan</w> <w id="w4.3">,</w> <w id="w4.4">D.</w> <w id="w4.5">J.</w> </s> <s id="5"> <w id="w5.1">"</w> <w id="w5.2">Memoirs</w> <w id="w5.3">of</w> <w id="w5.4">Generals</w> <w id="w5.5">Ward</w> <w id="w5.6">,</w>