000			00309nam a2200133Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a550
100			_aMARRONNIERS, Les
245		0	_aMan earth and Challenges.
260			_aFrance. _bSynergetic Press _c1981
300			_a284p.
942			_cLL
999			_c3343 _d3343