MARR, John C. text Washington, D.C Resources for the Future 1976 Cet. 1 id xi, 62 hlm.; ill.: 23 cm. IKAN 639.2 0801818265 210430 20210430103213 INLIS000000000000105 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)