000
00290nam a2200133Ia 4500
100
_a
Kumar, Krishan
365
_b
50
942
_c
BK
654
_a
245
_a
Theory of classification
260
_a
New Delhi
_b
Vani Educational Books
_c
1985
082
_a
025.4
300
_b
Pb
_a
xii,538
999
_c
416410
_d
416410
041
_a
eng