000 00288nam a22000977a 4500
999 _c516711
_d516711
082 _aTNC O91 M474
100 _aMehta,J.C.
_923279
245 _aHuman settlements and environmental health :
_bA systems approach
_cBy J.C. Mehta
260 _aDelhi
_bNew asian publishers
_c1977
300 _a440p.