000 005190000a22002170004500
001 21285
010 _a0851092500
090 _a21285
100 _a20190520 frey50
101 _aeng
102 _aGB
200 0 1 _aProduction, pollution, protection
_fW. B. Yapp
210 _aLondon
_c1972
_dWykeham Publications
215 _axii, 183 p.
_cil.
_d22 cm
225 _aWykeham science series
310 _abrochado
317 _aIPIMAR
676 _a013 y
686 _aD 61
686 _aD 75
700 _aYapp,
_bW. B.