000 00322nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c500
040 _aET
100 _aI. SURYA MODHARA.
245 0 _aTECHNIQUES OF TECHANGE GEO
260 _bSONALI PUB.
_aNEW DELHI
300 _a-
500 _a11732
942 _cBK
999 _c18052
_d18052