Sehgal , R. L.
Classification theory and practice - 1st ed. - New Delhi 1985 - viii, 184 p. ill. 19 cm.
Includes bibliographies
8170000068
Classification
025.4 / SEH/1985
Classification theory and practice - 1st ed. - New Delhi 1985 - viii, 184 p. ill. 19 cm.
Includes bibliographies
8170000068
Classification
025.4 / SEH/1985