000 00345nam a22001334a 4500
082 _a03660
100 _aGhosh, B N
245 1 _aTreatise on hygiene and public health /
_cby Birendra Nath Ghosh
250 _a15th ed.
260 _aCulcutta :
_bScientific publishing co,
_c1969.
300 _a744p. :
650 _aPublic health
942 _cBK
999 _c304259
_d304259