Universal decimal classification : international medium edition English text FID publication no. 571 : part 1.systematic table
British Standards Institution
Universal decimal classification : international medium edition English text FID publication no. 571 : part 1.systematic table edited by British Standards Institution - London British Standards Institution 1985 - xiii, 494 p.; 26cm.
025.432 UDC2B
Universal decimal classification : international medium edition English text FID publication no. 571 : part 1.systematic table edited by British Standards Institution - London British Standards Institution 1985 - xiii, 494 p.; 26cm.
025.432 UDC2B
