000
00235nam a2200085Ia 4500
245
_a
Situation In Biological Science Proc Lenin Acad Agr Sci U.s.s.r. 1948
260
_b
Foreign Lan Pub, Moscow
082
_a
N49/B02525
300
_a
631; 22*15
999
_c
38871
_d
38871