000 00318nam a2200133Ia 4500
008 221001s1986 xx 000 0 eng d
082 _a551.4 DAY (H)
100 _aDayal, Parmeshwar
245 0 _aBhu-aakriti vigyan
250 _a2nd ed.
260 _aPatna
_bShukla Book
_c1986
300 _a647p.
942 _2ddc
_cBK
999 _c26636
_d26636