000
nam a22 4500
245
_a
Lower Mekong hydrologic yearbook : Mekong inferieur annuaire hydrologique
260
_a
[New York]
_b
[United Nations]
_c
1976
710
_a
Committee for Co-ordination of Investigations of the lower Mekong Basin
942
_c
22
999
_c
4845
_d
4845