Universal decimal classification. 4v in 5 : Class 621.3 Electrical engineering /

समान संसाधन

• Universal decimal classification. 4v in 5 : Class 54 chemistry /
  द्वारा: British Standards Institution
• Universal decimal classification. 4v in 5 : Classes 55 Geology,geophysics etc /
  द्वारा: British Standards Institution
• Universal decimal classification. 4v in 5 : Classes 50 general works on pure science,51 mathematics etc /
  द्वारा: British Standards Institution
• Universal decimal classification /
  द्वारा: British Standards Institution
  प्रकाशित: (1961)
• Universal decimal classification : B S 1000A /
  द्वारा: British Standards Institution
  प्रकाशित: (1961)