WANG Xing-wang, DONG Chuan-yuan. Application of Engel's Coefficient to Library Estimation[J]. Journal of Shanghai University of Engineering Science, 2012, 26(1): 90-94. doi: 10.3969/j.issn.1009-444X.2012.01.021
Citation:
WANG Xing-wang, DONG Chuan-yuan. Application of Engel's Coefficient to Library Estimation[J]. Journal of Shanghai University of Engineering Science, 2012, 26(1): 90-94. doi: 10.3969/j.issn.1009-444X.2012.01.021
WANG Xing-wang, DONG Chuan-yuan. Application of Engel's Coefficient to Library Estimation[J]. Journal of Shanghai University of Engineering Science, 2012, 26(1): 90-94. doi: 10.3969/j.issn.1009-444X.2012.01.021
Citation:
WANG Xing-wang, DONG Chuan-yuan. Application of Engel's Coefficient to Library Estimation[J]. Journal of Shanghai University of Engineering Science, 2012, 26(1): 90-94. doi: 10.3969/j.issn.1009-444X.2012.01.021