00395nam a22001337a 4500008004100000020001500041040005500056080002200111100001900133245003800152260004900190300001000239650001200249230529b        |||||||| |||| 00| 0 eng d  a8185031312  aNational Science LibrarycNational Science Library  a579+578+591.8bM9  aPurohit, S S    aViruses, bacteria and mycoplasmas  aBikaner: bAgro Botanical Publishers, c1989  a168p.  aScience