000
00290nam a22001217a 4500
020
_a
81-272-2687-4
082
_a
574.87 SIN
100
_a
Singh, B D
245
_a
Principles and techniques of biotechnology
260
_a
Ludhiana
_b
Kalyani Publishers
_c
2007
300
_a
280
942
_c
BK
999
_c
226298
_d
226298