"kumar, krishan . "
theory of classification: / krishan.. kumar - 4 ed. - india : vikas 1998. - "xii, 560p.; 21 cm."
0-7069-8638-5
classification
Z696.A4.K74 1979
theory of classification: / krishan.. kumar - 4 ed. - india : vikas 1998. - "xii, 560p.; 21 cm."
0-7069-8638-5
classification
Z696.A4.K74 1979