00469nam a2200133Ia 4500001001100000005001700011008004300028020001500071020001800086245014900104260004900253300001500302500001800317000000948520251012174338.0 091210s1970 ilu 000 u eng d a0226082377 a978022608237000aReadings in resource management and conservationced. and with introd. by Ian Burton and Robert W. Kates ; with the assistance of Lydia Burton.  aChicagobUniversity of Chicago Pressc1970.  axi, 609 s. aBibliografi.