"0, . "
world resourses 1992-93:a guide to the global enviroment: / - 1 ed. - usa : oxford 1992. - "xiv, 385p.; 27 cm."
includes bibliography
0-19-506231-0
333. 705 wor
world resourses 1992-93:a guide to the global enviroment: / - 1 ed. - usa : oxford 1992. - "xiv, 385p.; 27 cm."
includes bibliography
0-19-506231-0
333. 705 wor