Détail du congrès:
Congrès: PROGRAMME ON MAN AND THE BIOSPHERE MAB,CONSULTATIVE GROUP ON PROJECT 9:ECOLOGICAL ASSESSMENTOF PEST MANAGEMENT AND FERTILIZER USE ON TERRESTRIAL AND AQUATIC ECOSYSTEMS(PARTON FERTILIZERS), FASC.15:ROME 7-9 JANVIER 1974, VOL.XII (1974; ITA) (1974) |