Census of India 1981 Negative aspects of urbanisation: a study on the civic and other amenities available in notified slums of class I & II towns - Delhi Office of the Registrar General, India 1988 - 235p. - Census of India 1981. Occasional Paper no. 3 of 1988 . Dewey Class. No.: A81x54 In2/81/1/Occ Pap 3/1988