00343nam a22001097a 4500008004100000040005500041080002300096245004100119260004700160300001000207650001600217230622b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 574(058.7)bM2;1  aNature directory of biologicals 1982  aNew York: bMacmillan Journal Ltd,  c1982  a183p.  aBiological