Annual summary of information on natural disasters 1973 =
Annual summary of information on natural disasters 1973 = Résumé annuel d'information sur les catastrophes naturelles 1973.
- París : UNESCO, 1975.
- 99 p. : il.
9230012696
OC 058: 550.34 (100) =20=40 1973ANN.
9230012696
OC 058: 550.34 (100) =20=40 1973ANN.