000 00303nam a2200097Ia 4500
008 211217s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
245 0 _aScientific Problems of Humid Tropical Zone Deltas and Their Implications
260 _bUNESCO
_aParis
_c1966
942 _c1
999 _c147571
_d147571