000 00261nam a2200109 4500
082 _a631.4 DAS-P
100 _aDas Dilip Kumar
245 _aProblematic Soils and their Management
260 _aLudhiana
_bKalyani
_c2020
300 _a430
942 _2ddc
_cBK
_03
999 _c135952
_d135952