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15/03/2014, 16:20
... , P R , and A H , Population, Resources, Environment, San Francisco, Freeman, 1970 ; Watt, K.E.F., Ecol and Resource Mana~ement, Nw York, McGraw-Hill, 19 e Lacey, M.J., "Man, Nature and t h e ... n i o n and a t t i t u d e a r e c r e a t e d and modified by s o c i a l i n f l u e n c e s 36 33 F r e d e r i c k s o n , H.G., and H Magnas, I b i d , 1n p 888 34 Lycan, D.R., and W,R.D ... towards t h e maintenance o f adequate q u a l i t y stand- 39 Wenge* N., Natural Resources and Lhe F o l i t i c a l S t r u g g l e , N w York, handom House, 1955, p e '* See OTRiordan, T., P e...