@article{paperid:321,
author = {Mohsen Alishahiha and Garousi, Mohammad Reza},
title = {Gauge Invariant Operators and Closed String Scattering in Open String Field Theory},
journal = {Physics Letters B},
year = {2002},
volume = {536},
month = {May},
issn = {0370-2693},
pages = {129--137},
			numpages = {8},
keywords = {Closed Strings; Open String fField Theory},
}