000 00284nam a2200109Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aJ S Samra
245 _aTechnical Manaul on Contour Trenching for Rehabilitation
260 _bDelhi:IASWC
_c2004
300 _a61p.
999 _c6565
_d6565