00404nam a22001337a 4500008004100000040005500041080001800096245004200114260003900156300001400195650001500209653002200224700002400246230511b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a91-201 bK5.1  aCities: bA scientific American book   aNew York: bAlfred A Knopf, c1965  ax, 211p.   aGeography   aHuman population   aPiel, Gerard (Ed.)