000 00334nam a2200133Ia 4500
008 221001s2010 xx 000 0 eng d
082 _a551.4 DAY (H)
100 _aDayal, Parmeshwar
245 0 _aBhu-aakriti vigyan
250 _a3rd ed.
260 _aNew Delhi
_bRajesh Publications
_c2010
300 _a68 4p.
942 _2ddc
_cBK
_01
999 _c32403
_d32403