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1प्रकाशित 1967विषय “...Railroads Congresses....”
पुस्तक -
2प्रकाशित 1966विषय “...Railroads Trains Dynamics....”
पुस्तक -
3प्रकाशित 1965विषय “...Railroads Automation Congresses....”
पुस्तक