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                 English S., 1924, J SOC GLASS TECHNOL, V8, P205
              
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                 ENGLISH S, 1926, J SOC GLASS TECHNOL, V10, P52
              
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                 ENGLISH S, 1925, CER ABSTR, V4, P5
              
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                 ENGLISH S, 1923, J SOC GLASS TECH, V7, P25
              
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                 ENGLISH S, 1923, CER ABSTR, V2, P219
              
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                 ENGLISH S, 1925, J SOC GLASS TECHNOL, V9, P83
              
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                 ENGLISH S, 1925, CER ABSTR, V4, P300
              
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                 English S., 1922, J SOC GLASS TECHNOL, V6, P228
              
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                 ENGLISH S, 1926, CER ABSTR, V5, P270
              

