The following publications are possibly variants of this publication:
- Generating Sparse Spanners for Weighted GraphsIngo Althöfer, Gautam Das, David P. Dobkin, Deborah Joseph. swat 1990: 26-37
- New Sparseness Results on Graph SpannersBarun Chandra, Gautam Das, Giri Narasimhan, José Soares. compgeom 1992: 192-201 [doi]
- New sparseness results on graph spannersBarun Chandra, Gautam Das, Giri Narasimhan, José Soares. ijcga, 5:125-144, 1995.