$a Kp. Population, the complex reality : a report of the Population Summit of the world's scientific academies / ed. by Francis Graham-Smith. - London ; Golden, Colorado, 1994.
670
$a LCN
670
$a OPALE(F)'1998
670
$a LCC online
670
$a Kp. Pul'sary / F. G. Smit. - Moskva, 1979. $b S. przytyt.: (Royal Greenwich Observatory)