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	1.	No cover image available Soil classification for construction practice in shallow trenching Series: NBS/SP - Building Science Series - 121 Material type: Text Publication details: NBS 1980 Availability: Items available for reference: JRD Tata Memorial Library: Not for loan (1)Call number: 624.1513 N80.
	2.	No cover image available Study of lumber used for bracing trenchies in the united states Series: NBS/SP Building Science Series ; 122 Material type: Text Publication details: NBS 1980 Availability: Items available for reference: JRD Tata Memorial Library: Not for loan (1)Call number: 674.00973 N80.
	3.	No cover image available Energy conservation in buildings an economics guide bookfor investment decisions Series: NBS/SP Building Science Series ; 132 Material type: Text Publication details: NBS 1980 Availability: Items available for reference: JRD Tata Memorial Library: Not for loan (1)Call number: 697.78 N80.
	4.	No cover image available NBS staff participation in outside standards activities Series: NBS/SP Building Science Series -573 Material type: Text Publication details: NBS 1980 Availability: Items available for reference: JRD Tata Memorial Library: Not for loan (1)Call number: 389.60973 N80.

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