000
00272pam a2200109a 44500
082
_a
TR
_b
NBS-79
100
_a
G. E. Kelley
245
1
_a
Energy conservation potential of modular gas-fired boiler systems
260
_a
_b
_c
700
_a
D. A. Didion
997
_a
TR4356 C
999
_c
405162
_d
405162