Spatial patterns : a socio-ecological analysis / Manmohan Singh Gill. Gill, Manmohan Singh Cities and towns India Punjab Growth Case studies. Caste India Punjab Case Studies. HT384.I42 P864 1991 304.5 GIS Includes bibliographical references and index. New Delhi, India : National Book Organisation; 1991. 1991. 1991 Text x, 202 p. ; eng India Punjab India Punjab